DURING THE PERIOD in which these developments were occurring, I had returned from a scientific undertaking¹ organized to explore the Nebraska badlands in the United States. In my capacity as Assistant Professor at the Paris Museum of Natural History, I had been attached to this expedition by the French government. After spending six months in Nebraska, I arrived in New York laden² with valuable collections near the end of March. My departure for France was set for early May. In the meantime, then, I was busy classifying my mineralogical, botanical, and zoological treasures when that incident took place with the Scotia.

I was perfectly³ abreast⁴ of this question, which was the big news of the day, and how could I not have been? I had read and reread every American and European newspaper without being any farther along. This mystery puzzled me. Finding it impossible to form any views, I drifted from one extreme to the other. Something was out there, that much was certain, and any doubting Thomas was invited to place his finger on the Scotia's wound.

When I arrived in New York, the question was at the boiling point. The hypothesis of a drifting islet or an elusive⁵ reef, put forward by people not quite in their right minds, was completely eliminated. And indeed, unless this reef had an engine in its belly⁶, how could it move about with such prodigious⁷ speed?

Also discredited⁸ was the idea of a floating hull⁹ or some other enormous wreckage¹⁰, and again because of this speed of movement.

So only two possible solutions to the question were left, creating two very distinct groups of supporters: on one side, those favoring a monster of

点击收听单词发音  

1 undertaking
n.保证，许诺，事业
参考例句：
He gave her an undertaking that he would pay the money back with in a year.他向她做了一年内还钱的保证。 He is too timid to venture upon an undertaking.他太胆小，不敢从事任何事业。

2 laden
adj.装满了的；充满了的；负了重担的；苦恼的
参考例句：
He is laden with heavy responsibility.他肩负重任。 Dragging the fully laden boat across the sand dunes was no mean feat.将满载货物的船拖过沙丘是一件了不起的事。

3 perfectly
adv.完美地，无可非议地，彻底地
参考例句：
The witnesses were each perfectly certain of what they said.证人们个个对自己所说的话十分肯定。 Everything that we're doing is all perfectly above board.我们做的每件事情都是光明正大的。

4 abreast
adv.并排地；跟上(时代)的步伐，与…并进地
参考例句：
She kept abreast with the flood of communications that had poured in.她及时回复如雪片般飞来的大批信件。 We can't keep abreast of the developing situation unless we study harder.我们如果不加强学习，就会跟不上形势。

5 elusive
adj.难以表达(捉摸)的；令人困惑的；逃避的
参考例句：
Try to catch the elusive charm of the original in translation.翻译时设法把握住原文中难以捉摸的风韵。 Interpol have searched all the corners of the earth for the elusive hijackers.国际刑警组织已在世界各地搜查在逃的飞机劫持者。

6 belly
n.肚子，腹部；(像肚子一样)鼓起的部分，膛
参考例句：
The boss has a large belly.老板大腹便便。 His eyes are bigger than his belly.他眼馋肚饱。

7 prodigious
adj.惊人的，奇妙的；异常的；巨大的；庞大的
参考例句：
This business generates cash in prodigious amounts.这种业务收益丰厚。 He impressed all who met him with his prodigious memory.他惊人的记忆力让所有见过他的人都印象深刻。

8 discredited
不足信的，不名誉的
参考例句：
The reactionary authorities are between two fires and have been discredited. 反动当局弄得进退维谷，不得人心。 Her honour was discredited in the newspapers. 她的名声被报纸败坏了。

9 hull
n.船身；(果、实等的)外壳；vt.去(谷物等)壳
参考例句：
The outer surface of ship's hull is very hard.船体的外表面非常坚硬。 The boat's hull has been staved in by the tremendous seas.小船壳让巨浪打穿了。

10 wreckage
n.（失事飞机等的）残骸，破坏，毁坏
参考例句：
They hauled him clear of the wreckage.他们把他从形骸中拖出来。 New states were born out of the wreckage of old colonial empires.新生国家从老殖民帝国的废墟中诞生。

11 colossal
adj.异常的，庞大的
参考例句：
There has been a colossal waste of public money.一直存在巨大的公款浪费。 Some of the tall buildings in that city are colossal.那座城市里的一些高层建筑很庞大。

12 inquiries
n.调查( inquiry的名词复数 )；疑问；探究；打听
参考例句：
He was released on bail pending further inquiries. 他获得保释，等候进一步调查。 I have failed to reach them by postal inquiries. 我未能通过邮政查询与他们取得联系。 来自《现代汉英综合大词典》

13 mechanism
n.机械装置；机构，结构
参考例句：
The bones and muscles are parts of the mechanism of the body.骨骼和肌肉是人体的组成部件。 The mechanism of the machine is very complicated.这台机器的结构是非常复杂的。

14 ingenuity
n.别出心裁；善于发明创造
参考例句：
The boy showed ingenuity in making toys.那个小男孩做玩具很有创造力。 I admire your ingenuity and perseverance.我钦佩你的别出心裁和毅力。

15 torpedo
n.水雷，地雷；v.用鱼雷破坏
参考例句：
His ship was blown up by a torpedo.他的船被一枚鱼雷炸毁了。 Torpedo boats played an important role during World War Two.鱼雷艇在第二次世界大战中发挥了重要作用。

16 battering
n.用坏，损坏v.连续猛击( batter的现在分词 )
参考例句：
The film took a battering from critics in the US. 该影片在美国遭遇到批评家的猛烈抨击。 He kept battering away at the door. 他接连不断地砸门。 来自《简明英汉词典》

17 ram
(random access memory)随机存取存储器
参考例句：
512k RAM is recommended and 640k RAM is preferred.推荐配置为512K内存，640K内存则更佳。

18 collapsed
adj.倒塌的
参考例句：
Jack collapsed in agony on the floor. 杰克十分痛苦地瘫倒在地板上。 The roof collapsed under the weight of snow. 房顶在雪的重压下突然坍塌下来。

19 sincerity
n.真诚，诚意；真实
参考例句：
His sincerity added much more authority to the story.他的真诚更增加了故事的说服力。 He tried hard to satisfy me of his sincerity.他竭力让我了解他的诚意。

20 witticisms
n.妙语，俏皮话( witticism的名词复数 )
参考例句：
We do appreciate our own witticisms. 我们非常欣赏自己的小聪明。 来自辞典例句 The interpreter at this dinner even managed to translate jokes and witticisms without losing the point. 这次宴会的翻译甚至能设法把笑话和俏皮话不失其妙意地翻译出来。 来自辞典例句

21 vein
n.血管，静脉；叶脉，纹理；情绪；vt.使成脉络
参考例句：
The girl is not in the vein for singing today.那女孩今天没有心情唱歌。 The doctor injects glucose into the patient's vein.医生把葡萄糖注射入病人的静脉。

22 pier
n.码头；桥墩，桥柱；[建]窗间壁，支柱
参考例句：
The pier of the bridge has been so badly damaged that experts worry it is unable to bear weight.这座桥的桥桩破损厉害，专家担心它已不能负重。 The ship was making towards the pier.船正驶向码头。

23 herald
vt.预示...的来临，预告，宣布，欢迎
参考例句：
In England, the cuckoo is the herald of spring.在英国杜鹃鸟是报春的使者。 Dawn is the herald of day.曙光是白昼的先驱。

24 formulate
v.用公式表示；规划；设计；系统地阐述
参考例句：
He took care to formulate his reply very clearly.他字斟句酌，清楚地做了回答。 I was impressed by the way he could formulate his ideas.他陈述观点的方式让我印象深刻。

25 excerpt
n.摘录，选录，节录
参考例句：
This is an excerpt from a novel.这是一部小说的摘录。 Can you excerpt something from the newspaper? 你能从报纸上选录些东西吗？

26 marine
adj.海的；海生的；航海的；海事的；n.水兵
参考例句：
Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。 When the war broke out,he volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。

27 conjecture
n./v.推测，猜测
参考例句：
She felt it no use to conjecture his motives.她觉得猜想他的动机是没有用的。 This conjecture is not supported by any real evidence.这种推测未被任何确切的证据所证实。

28 strata
n.地层（复数）；社会阶层
参考例句：
The older strata gradually disintegrate.较老的岩层渐渐风化。 They represent all social strata.他们代表各个社会阶层。

29 whim
n.一时的兴致，突然的念头；奇想，幻想
参考例句：
I bought the encyclopedia on a whim.我凭一时的兴致买了这本百科全书。 He had a sudden whim to go sailing today.今天他突然想要去航海。

30 intervals
n.[军事]间隔( interval的名词复数 )；间隔时间；[数学]区间；（戏剧、电影或音乐会的）幕间休息
参考例句：
The forecast said there would be sunny intervals and showers. 预报间晴，有阵雨。 Meetings take place at fortnightly intervals. 每两周开一次会。

31 unicorn
n.(传说中的)独角兽
参考例句：
The unicorn is an imaginary beast.独角兽是幻想出来的动物。 I believe unicorn was once living in the world.我相信独角兽曾经生活在这个世界。

32 determined
adj.坚定的；有决心的
参考例句：
I have determined on going to Tibet after graduation.我已决定毕业后去西藏。 He determined to view the rooms behind the office.他决定查看一下办公室后面的房间。

33 naturalists
n.博物学家( naturalist的名词复数 )；（文学艺术的）自然主义者
参考例句：
Naturalists differ much in determining what characters are of generic value. 自然学者对于不同性状决定生物的属的含义上，各有各的见解。 来自辞典例句 This fact has led naturalists to believe that the Isthmus was formerly open. 使许多自然学者相信这个地蛱在以前原是开通的。 来自辞典例句

34 baleen
n.鲸须
参考例句：
Other baleen whales have splash guards too,but not like this.一些须鲸物种头顶也有护住喷水孔的构造，但并不长成这样。 Baleen whales often appear in this region. Be careful!这一带经常有须鲸出没，要注意安全啊。

35 wrenched
v.（猛力地）扭( wrench的过去式和过去分词 )；扭伤；使感到痛苦；使悲痛
参考例句：
The bag was wrenched from her grasp. 那只包从她紧握的手里被夺了出来。 He wrenched the book from her hands. 他从她的手中把书拧抢了过来。 来自《简明英汉词典》

36 vessel
n.船舶；容器，器皿；管，导管，血管
参考例句：
The vessel is fully loaded with cargo for Shanghai.这艘船满载货物驶往上海。 You should put the water into a vessel.你应该把水装入容器中。

37 vessels
n.血管( vessel的名词复数 )；船；容器；（具有特殊品质或接受特殊品质的）人
参考例句：
The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》 All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》

38 faculty
n.才能；学院，系；(学院或系的)全体教学人员
参考例句：
He has a great faculty for learning foreign languages.他有学习外语的天赋。 He has the faculty of saying the right thing at the right time.他有在恰当的时候说恰当的话的才智。

39 tusks
n.（象等动物的）长牙( tusk的名词复数 )；獠牙；尖形物；尖头
参考例句：
The elephants are poached for their tusks. 为获取象牙而偷猎大象。 Elephant tusks, monkey tails and salt were used in some parts of Africa. 非洲的一些地区则使用象牙、猴尾和盐。 来自英语晨读30分（高一）

40 velocity
n.速度，速率
参考例句：
Einstein's theory links energy with mass and velocity of light.爱因斯坦的理论把能量同质量和光速联系起来。 The velocity of light is about 300000 kilometres per second.光速约为每秒300000公里。

41 specified
adj.特定的
参考例句：
The architect specified oak for the wood trim. 那位建筑师指定用橡木做木饰条。 It is generated by some specified means. 这是由某些未加说明的方法产生的。

42 catastrophe
n.大灾难，大祸
参考例句：
I owe it to you that I survived the catastrophe.亏得你我才大难不死。 This is a catastrophe beyond human control.这是一场人类无法控制的灾难。

43 mere
adj.纯粹的；仅仅，只不过
参考例句：
That is a mere repetition of what you said before.那不过是重复了你以前讲的话。 It's a mere waste of time waiting any longer.再等下去纯粹是浪费时间。

44 frigates
n.快速军舰( frigate的名词复数 )
参考例句：
Frigates are a vital part of any balanced sea-going fleet. 护卫舰是任何一个配置均衡的远洋舰队所必需的。 来自互联网 These ships are based on the Chinese Jiangwei II class frigates. 这些战舰是基于中国的江卫II型护卫舰。 来自互联网

45 frigate
n.护航舰，大型驱逐舰
参考例句：
An enemy frigate bore down on the sloop.一艘敌驱逐舰向这只护航舰逼过来。 I declare we could fight frigate.我敢说我们简直可以和一艘战舰交战。

46 warships
军舰，战舰( warship的名词复数 )； 舰只
参考例句：
The enemy warships were disengaged from the battle after suffering heavy casualties. 在遭受惨重伤亡后，敌舰退出了海战。 The government fitted out warships and sailors for them. 政府给他们配备了战舰和水手。

47 simultaneously
adv.同时发生地，同时进行地
参考例句：
The radar beam can track a number of targets almost simultaneously.雷达波几乎可以同时追着多个目标。 The Windows allow a computer user to execute multiple programs simultaneously.Windows允许计算机用户同时运行多个程序。

48 inexplicable
adj.无法解释的，难理解的
参考例句：
It is now inexplicable how that development was misinterpreted.当时对这一事态发展的错误理解究竟是怎么产生的，现在已经无法说清楚了。 There are many things which are inexplicable by science.有很多事科学还无法解释。

49 entirely
ad.全部地，完整地；完全地，彻底地
参考例句：
The fire was entirely caused by their neglect of duty. 那场火灾完全是由于他们失职而引起的。 His life was entirely given up to the educational work. 他的一生统统献给了教育工作。

50 raucously
adv.粗声地；沙哑地
参考例句：
His voice rang raucously. 他的声音听起来很沙哑。 来自互联网 Someone in the hushed bar suddenly laughed raucously at how stupid everyone had become. 沉默的酒吧中有人忽然沙哑地大笑起来，嘲笑每个人都变的如此的愚蠢。 来自互联网

51 uproar
n.骚动，喧嚣，鼎沸
参考例句：
She could hear the uproar in the room.她能听见房间里的吵闹声。 His remarks threw the audience into an uproar.他的讲话使听众沸腾起来。

52 precisely
adv.恰好，正好，精确地，细致地
参考例句：
It's precisely that sort of slick sales-talk that I mistrust.我不相信的正是那种油腔滑调的推销宣传。 The man adjusted very precisely.那个人调得很准。

53 rhinoceroses
n.钱，钞票( rhino的名词复数 )；犀牛(=rhinoceros)；犀牛( rhinoceros的名词复数 )；脸皮和犀牛皮一样厚
参考例句：
Rhinoceroses and dragons for once will let us walk in peace. 犀牛与龙安歇，让我们能平静地行走。 来自互联网 Although the rhinoceroses are very heavy, they can run very fast. 犀牛虽然体型笨重，但仍能以相当快的速度行走或奔跑。 来自互联网

54 dwarves
n.矮子( dwarf的名词复数 )；有魔法的小矮人
参考例句：
Everyone will try to claim it: Men, Dwarves, wizards. 每个种族都会争取它的拥有权：人类，矮人，巫师。 来自电影对白 Have you learned nothing of the stubbornness of Dwarves? 难道你还不了解那个矮人的倔强吗？ 来自电影对白

55 conceal
v.隐藏，隐瞒，隐蔽
参考例句：
He had to conceal his identity to escape the police.为了躲避警方，他只好隐瞒身份。 He could hardly conceal his joy at his departure.他几乎掩饰不住临行时的喜悦。

56 crustaceans
n.甲壳纲动物（如蟹、龙虾）( crustacean的名词复数 )
参考例句：
These crustaceans provide a valuable food source for some fish. 这些甲壳纲动物是某些鱼类重要的食物来源。 来自《简明英汉词典》 When the tide ebbs it's a rock pool inhabited by crustaceans. 退潮时，它便成为甲壳动物居住的岩石区潮水潭。 来自辞典例句

57 frightful
adj.可怕的；讨厌的
参考例句：
How frightful to have a husband who snores!有一个发鼾声的丈夫多讨厌啊！ We're having frightful weather these days.这几天天气坏极了。

58 contemplate
vt.盘算，计议；周密考虑；注视，凝视
参考例句：
The possibility of war is too horrifying to contemplate.战争的可能性太可怕了，真不堪细想。 The consequences would be too ghastly to contemplate.后果不堪设想。

59 lobsters
龙虾( lobster的名词复数 )； 龙虾肉
参考例句：
I have no idea about how to prepare those cuttlefish and lobsters. 我对如何烹调那些乌贼和龙虾毫无概念。 She sold me a couple of live lobsters. 她卖了几只活龙虾给我。

60 crabs
n.蟹( crab的名词复数 )；阴虱寄生病；蟹肉v.捕蟹( crab的第三人称单数 )
参考例句：
As we walked along the seashore we saw lots of tiny crabs. 我们在海岸上散步时看到很多小蟹。 来自《简明英汉词典》 The fish and crabs scavenge for decaying tissue. 鱼和蟹搜寻腐烂的组织为食。 来自《简明英汉词典》

61 formerly
adv.从前，以前
参考例句：
We now enjoy these comforts of which formerly we had only heard.我们现在享受到了过去只是听说过的那些舒适条件。 This boat was formerly used on the rivers of China.这船从前航行在中国内河里。

62 prehistoric
adj.（有记载的）历史以前的，史前的，古老的
参考例句：
They have found prehistoric remains.他们发现了史前遗迹。 It was rather like an exhibition of prehistoric electronic equipment.这儿倒像是在展览古老的电子设备。

63 reptiles
n.爬行动物，爬虫( reptile的名词复数 )
参考例句：
Snakes and crocodiles are both reptiles. 蛇和鳄鱼都是爬行动物。 来自《简明英汉词典》 Birds, reptiles and insects come from eggs. 鸟类、爬虫及昆虫是卵生的。 来自《现代汉英综合大词典》

64 untold
adj.数不清的，无数的
参考例句：
She has done untold damage to our chances.她给我们的机遇造成了不可估量的损害。 They suffered untold terrors in the dark and huddled together for comfort.他们遭受着黑暗中的难以言传的种种恐怖，因而只好挤在一堆互相壮胆。

65 specimens
n.样品( specimen的名词复数 )；范例；（化验的）抽样；某种类型的人
参考例句：
Astronauts have brought back specimens of rock from the moon. 宇航员从月球带回了岩石标本。 The traveler brought back some specimens of the rocks from the mountains. 那位旅行者从山上带回了一些岩石标本。 来自《简明英汉词典》

66 alteration
n.变更，改变；蚀变
参考例句：
The shirt needs alteration.这件衬衣需要改一改。 He easily perceived there was an alteration in my countenance.他立刻看出我的脸色和往常有些不同。

67 titanic
adj.巨人的，庞大的，强大的
参考例句：
We have been making titanic effort to achieve our purpose.我们一直在作极大的努力，以达到我们的目的。 The island was created by titanic powers and they are still at work today.台湾岛是由一个至今仍然在运作的巨大力量塑造出来的。

68 millennia
n.一千年，千禧年
参考例句：
For two millennia, exogamy was a major transgression for Jews. 两千年来，异族通婚一直是犹太人的一大禁忌。 In the course of millennia, the dinosaurs died out. 在几千年的时间里，恐龙逐渐死绝了。

69 fabled
adj.寓言中的，虚构的
参考例句：
For the first week he never actually saw the fabled Jack. 第一周他实际上从没见到传说中的杰克。 Aphrodite, the Greek goddness of love, is fabled to have been born of the foam of the sea. 希腊爱神阿美罗狄蒂据说是诞生于海浪泡沫之中。 来自《现代汉英综合大词典》

70 purely
adv.纯粹地，完全地
参考例句：
I helped him purely and simply out of friendship.我帮他纯粹是出于友情。 This disproves the theory that children are purely imitative.这证明认为儿童只会单纯地模仿的理论是站不住脚的。

71 purge
n.整肃，清除，泻药，净化；vt.净化，清除，摆脱；vi.清除，通便，腹泻，变得清洁
参考例句：
The new president carried out a purge of disloyal army officers.新总统对不忠诚的军官进行了清洗。 The mayoral candidate has promised to purge the police department.市长候选人答应清洗警察部门。

72 daunting
adj.使人畏缩的
参考例句：
They were faced with the daunting task of restoring the house.他们面临着修复房子的艰巨任务。 Starting a new job can be a daunting prospect.开始一项新工作有时会让人望而却步。

73 shipping
n.船运（发货，运输，乘船）
参考例句：
We struck a bargain with an American shipping firm.我们和一家美国船运公司谈成了一笔生意。 There's a shipping charge of ￡5 added to the price.价格之外另加五英镑运输费。

74 maritime
adj.海的，海事的，航海的，近海的，沿海的
参考例句：
Many maritime people are fishermen.许多居于海滨的人是渔夫。 The temperature change in winter is less in maritime areas.冬季沿海的温差较小。

75 devoted
adj.忠诚的，忠实的，热心的，献身于...的
参考例句：
He devoted his life to the educational cause of the motherland.他为祖国的教育事业贡献了一生。 We devoted a lengthy and full discussion to this topic.我们对这个题目进行了长时间的充分讨论。

76 premium
n.加付款；赠品；adj.高级的；售价高的
参考例句：
You have to pay a premium for express delivery.寄快递你得付额外费用。 Fresh water was at a premium after the reservoir was contaminated.在水库被污染之后，清水便因稀而贵了。

77 naval
adj.海军的，军舰的，船的
参考例句：
He took part in a great naval battle.他参加了一次大海战。 The harbour is an important naval base.该港是一个重要的海军基地。

78 arsenals
n.兵工厂，军火库( arsenal的名词复数 )；任何事物的集成
参考例句：
We possess-each of us-nuclear arsenals capable of annihilating humanity. 我们两国都拥有能够毁灭全人类的核武库。 来自辞典例句 Arsenals are factories that produce weapons. 军工厂是生产武器的工厂。 来自互联网

79 apparently
adv.显然地；表面上，似乎
参考例句：
An apparently blind alley leads suddenly into an open space.山穷水尽，豁然开朗。 He was apparently much surprised at the news.他对那个消息显然感到十分惊异。

80 babbling
n.胡说，婴儿发出的咿哑声adj.胡说的v.喋喋不休( babble的现在分词 )；作潺潺声（如流水）；含糊不清地说话；泄漏秘密
参考例句：
I could hear the sound of a babbling brook. 我听得见小溪潺潺的流水声。 来自《简明英汉词典》 Infamy was babbling around her in the public market-place. 在公共市场上，她周围泛滥着对她丑行的种种议论。 来自英汉文学 - 红字

81 rascal
n.流氓；不诚实的人
参考例句：
If he had done otherwise,I should have thought him a rascal.如果他不这样做，我就认为他是个恶棍。 The rascal was frightened into holding his tongue.这坏蛋吓得不敢往下说了。

82 waylaid
v.拦截，拦路( waylay的过去式和过去分词 )
参考例句：
I got waylaid on my way here. 我在来这里的路上遭到了拦路抢劫。 He was waylaid by thieves. 他在路上被抢了。 来自《现代英汉综合大词典》

83 steer
vt.驾驶，为…操舵；引导；vi.驾驶
参考例句：
If you push the car, I'll steer it.如果你来推车，我就来驾车。 It's no use trying to steer the boy into a course of action that suits you.想说服这孩子按你的方式行事是徒劳的。

84 impatience
n.不耐烦，急躁
参考例句：
He expressed impatience at the slow rate of progress.进展缓慢，他显得不耐烦。 He gave a stamp of impatience.他不耐烦地跺脚。

85 overflowing
n. 溢出物,溢流 adj. 充沛的，充满的 动词overflow的现在分词形式
参考例句：
The stands were overflowing with farm and sideline products. 集市上农副产品非常丰富。 The milk is overflowing. 牛奶溢出来了。

86 forth
adv.向前；向外，往外
参考例句：
The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。 He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。

87 wharf
n.码头，停泊处
参考例句：
We fetch up at the wharf exactly on time.我们准时到达码头。 We reached the wharf gasping for breath.我们气喘吁吁地抵达了码头。