Dr. Ferguson's Anxieties.--Persistent Movement southward.--A Cloud of Grasshoppers².--A View of Jenne.--A View of Sego.--Change of the Wind.--Joe's Regrets.

The flow of the river was, at that point, divided by large islands into narrow branches, with a very rapid current. Upon one among them stood some shepherds' huts, but it had become impossible to take an exact observation of them, because the speed of the balloon was constantly increasing. Unfortunately, it turned still more toward the south, and in a few moments crossed Lake Debo.

Dr. Ferguson, forcing the dilation³ of his aerial craft to the utmost, sought for other currents of air at different heights, but in vain; and he soon gave up the attempt, which was only augmenting⁴ the waste of gas by pressing it against the well-worn tissue of the balloon.

He made no remark, but he began to feel very anxious. This persistence⁵ of the wind to head him off toward the southern part of Africa was defeating his calculations, and he no longer knew upon whom or upon what to depend. Should he not reach the English or French territories, what was to become of him in the midst of the barbarous tribes that infest⁶ the coasts of Guinea? How should he there get to a ship to take him back to England? And the actual direction of the wind was driving him along to the kingdom of Dahomey, among the most savage⁷ races, and into the power of a ruler who was in the habit of sacrificing thousands of human victims at his public orgies. There he would be lost!

On the other hand, the balloon was visibly wearing out, and the doctor felt it failing him. However, as the weather was clearing up a little, he hoped that the cessation of the rain would bring about a change in the atmospheric⁸ currents.

It was therefore a disagreeable reminder⁹ of the actual situation when Joe said aloud:

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1 grasshopper
n.蚱蜢，蝗虫，蚂蚱
参考例句：
He thought he had made an end of the little grasshopper.他以为把那个小蚱蜢干掉了。 The grasshopper could not find anything to eat.蚱蜢找不到任何吃的东西。

2 grasshoppers
n.蚱蜢( grasshopper的名词复数 )；蝗虫；蚂蚱；（孩子）矮小的
参考例句：
Grasshoppers die in fall. 蚱蜢在秋天死去。 来自《简明英汉词典》 There are usually a lot of grasshoppers in the rice fields. 稻田里通常有许多蚱蜢。 来自辞典例句

3 dilation
n.膨胀，扩张，扩大
参考例句：
Time dilation works both ways. 时间膨胀在两方面都起作用。 来自辞典例句 The ciliary body is an anterior dilation of the choroid at the level of the lens. 晶状体是脉络膜石晶状体平面上向前扩大的部分。 来自辞典例句

4 augmenting
使扩张
参考例句：
My business was now constantly augmenting, and my circumstances growing daily easier. 现在，我的业务不断扩大，我的境况日益安逸。 I spent a penitential weekend augmenting the green acceptable. 我临时唯有利用周末在每顶绿帽子上加一点红色上去，以免男性来宾不肯戴上。

5 persistence
n.坚持，持续，存留
参考例句：
The persistence of a cough in his daughter puzzled him.他女儿持续的咳嗽把他难住了。 He achieved success through dogged persistence.他靠着坚持不懈取得了成功。

6 infest
v.大批出没于；侵扰；寄生于
参考例句：
Several animals in sea water can infest wood.海水中有好多动物能侵害木材。 A lame cat is better than a swift horse when rats infest the palace.宫殿有鼠患，瘸猫比快马强。

7 savage
adj.野蛮的；凶恶的，残暴的；n.未开化的人
参考例句：
The poor man received a savage beating from the thugs.那可怜的人遭到暴徒的痛打。 He has a savage temper.他脾气粗暴。

8 atmospheric
adj.大气的，空气的；大气层的；大气所引起的
参考例句：
Sea surface temperatures and atmospheric circulation are strongly coupled.海洋表面温度与大气环流是密切相关的。 Clouds return radiant energy to the surface primarily via the atmospheric window.云主要通过大气窗区向地表辐射能量。

9 reminder
n.提醒物，纪念品；暗示，提示
参考例句：
I have had another reminder from the library.我又收到图书馆的催还单。 It always took a final reminder to get her to pay her share of the rent.总是得发给她一份最后催缴通知，她才付应该交的房租。

10 deluge
n./vt.洪水，暴雨，使泛滥
参考例句：
This little stream can become a deluge when it rains heavily.雨大的时候，这条小溪能变作洪流。 I got caught in the deluge on the way home.我在回家的路上遇到倾盆大雨。

11 queried
v.质疑，对…表示疑问( query的过去式和过去分词 )；询问
参考例句：
She queried what he said. 她对他说的话表示怀疑。 来自《简明英汉词典》 \"What does he have to do?\" queried Chin dubiously. “他有什么心事？”琴向觉民问道，她的脸上现出疑惑不解的神情。 来自汉英文学 - 家（1-26） - 家（1-26）

12 swarm
n.(昆虫)等一大群；vi.成群飞舞；蜂拥而入
参考例句：
There is a swarm of bees in the tree.这树上有一窝蜜蜂。 A swarm of ants are moving busily.一群蚂蚁正在忙碌地搬家。

13 myriads
n.无数，极大数量( myriad的名词复数 )
参考例句：
Each galaxy contains myriads of stars. 每一星系都有无数的恒星。 来自《简明英汉词典》 The sky was set with myriads of stars. 无数星星点缀着夜空。 来自《现代英汉综合大词典》

14 woe
n.悲哀，苦痛，不幸，困难；int.用来表达悲伤或惊慌
参考例句：
Our two peoples are brothers sharing weal and woe.我们两国人民是患难与共的兄弟。 A man is well or woe as he thinks himself so.自认祸是祸，自认福是福。

15 beholding
v.看，注视( behold的现在分词 )；瞧；看呀；（叙述中用于引出某人意外的出现）哎哟
参考例句：
Beholding, besides love, the end of love,/Hearing oblivion beyond memory! 我看见了爱，还看到了爱的结局，／听到了记忆外层的哪一片寂寥！ 来自英汉 - 翻译样例 - 文学 Hence people who began by beholding him ended by perusing him. 所以人们从随便看一看他开始的，都要以仔细捉摸他而终结。 来自辞典例句

16 opaque
adj.不透光的；不反光的，不传导的；晦涩的
参考例句：
The windows are of opaque glass.这些窗户装着不透明玻璃。 Their intentions remained opaque.他们的意图仍然令人费解。

17 deafening
adj. 振耳欲聋的, 极喧闹的 动词deafen的现在分词形式
参考例句：
The noise of the siren was deafening her. 汽笛声震得她耳朵都快聋了。 The noise of the machine was deafening. 机器的轰鸣声震耳欲聋。

18 tract
n.传单，小册子，大片(土地或森林)
参考例句：
He owns a large tract of forest.他拥有一大片森林。 He wrote a tract on this subject.他曾对此写了一篇短文。

19 foliage
n.叶子，树叶，簇叶
参考例句：
The path was completely covered by the dense foliage.小路被树叶厚厚地盖了一层。 Dark foliage clothes the hills.浓密的树叶覆盖着群山。

20 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。

21 scythe
n. 长柄的大镰刀，战车镰； v. 以大镰刀割
参考例句：
He's cutting grass with a scythe.他正在用一把大镰刀割草。 Two men were attempting to scythe the long grass.两个人正试图割掉疯长的草。

22 descended
a.为...后裔的，出身于...的
参考例句：
A mood of melancholy descended on us. 一种悲伤的情绪袭上我们的心头。 The path descended the hill in a series of zigzags. 小路呈连续的之字形顺着山坡蜿蜒而下。

23 sterility
n.不生育，不结果，贫瘠，消毒，无菌
参考例句：
A major barrier to interspecific hybridization is sterility in the F1 progeny.种间杂交的主要障碍是F1代的不育性。 Sterility is some permanent factor preventing procreation.不育是阻碍生殖的一种永久性因素。

24 devastation
n.毁坏；荒废；极度震惊或悲伤
参考例句：
The bomb caused widespread devastation. 炸弹造成大面积破坏。 There was devastation on every side. 到处都是破坏的创伤。 来自《简明英汉词典》

25 standing
n.持续，地位；adj.永久的，不动的，直立的，不流动的
参考例句：
After the earthquake only a few houses were left standing.地震过后只有几幢房屋还立着。 They're standing out against any change in the law.他们坚决反对对法律做任何修改。

26 plunging
adj.跳进的，突进的v.颠簸( plunge的现在分词 )；暴跌；骤降；突降
参考例句：
War broke out again, plunging the people into misery and suffering. 战祸复发，生灵涂炭。 来自《现代汉英综合大词典》 He is plunging into an abyss of despair. 他陷入了绝望的深渊。 来自《简明英汉词典》

27 irresistibly
adv.无法抵抗地，不能自持地；极为诱惑人地
参考例句：
Her gaze was drawn irresistibly to the scene outside. 她的目光禁不住被外面的风景所吸引。 来自《简明英汉词典》 He was irresistibly attracted by her charm. 他不能自已地被她的魅力所吸引。 来自《简明英汉词典》

28 onward
adj.向前的，前进的；adv.向前，前进，在先
参考例句：
The Yellow River surges onward like ten thousand horses galloping.黄河以万马奔腾之势滚滚向前。 He followed in the steps of forerunners and marched onward.他跟随着先辈的足迹前进。

29 ravages
劫掠后的残迹，破坏的结果，毁坏后的残迹
参考例句：
the ravages of war 战争造成的灾难 It is hard for anyone to escape from the ravages of time. 任何人都很难逃避时间的摧残。

30 prawns
n.对虾，明虾( prawn的名词复数 )
参考例句：
Mine was a picture of four translucent prawns, with two small fish swimming above them. 给我画的是四只虾，半透明的，上画有两条小鱼。 来自汉英文学 - 现代散文 Shall we get some shrimp and prawns? 我们要不要买些小虾和对虾？ 来自无师自通 校园英语会话

31 marshy
adj.沼泽的
参考例句：
In August 1935,we began our march across the marshy grassland. 1935年8月，我们开始过草地。 The surrounding land is low and marshy. 周围的地低洼而多沼泽。

32 dwindled
v.逐渐变少或变小( dwindle的过去式和过去分词 )
参考例句：
Support for the party has dwindled away to nothing. 支持这个党派的人渐渐化为乌有。 His wealth dwindled to nothingness. 他的钱财化为乌有。 来自《简明英汉词典》

33 isolated
adj.与世隔绝的
参考例句：
His bad behaviour was just an isolated incident. 他的不良行为只是个别事件。 Patients with the disease should be isolated. 这种病的患者应予以隔离。

34 clumps
n.（树、灌木、植物等的）丛、簇( clump的名词复数 )；（土、泥等）团；块；笨重的脚步声v.（树、灌木、植物等的）丛、簇( clump的第三人称单数 )；（土、泥等）团；块；笨重的脚步声
参考例句：
These plants quickly form dense clumps. 这些植物很快形成了浓密的树丛。 来自《简明英汉词典》 The bulbs were over. All that remained of them were clumps of brown leaves. 这些鳞茎死了，剩下的只是一丛丛的黃叶子。 来自《简明英汉词典》

35 plantations
n.种植园，大农场( plantation的名词复数 )
参考例句：
Soon great plantations, supported by slave labor, made some families very wealthy. 不久之后出现了依靠奴隶劳动的大庄园，使一些家庭成了富豪。 来自英汉非文学 - 政府文件 Winterborne's contract was completed, and the plantations were deserted. 维恩特波恩的合同完成后，那片林地变得荒废了。 来自辞典例句

36 swampy
adj.沼泽的，湿地的
参考例句：
Malaria is still rampant in some swampy regions.疟疾在一些沼泽地区仍很猖獗。 An ox as grazing in a swampy meadow.一头牛在一块泥泞的草地上吃草。

37 forage
n.(牛马的)饲料，粮草；v.搜寻，翻寻
参考例句：
They were forced to forage for clothing and fuel.他们不得不去寻找衣服和燃料。 Now the nutritive value of the forage is reduced.此时牧草的营养价值也下降了。

38 mosque
n.清真寺
参考例句：
The mosque is a activity site and culture center of Muslim religion.清真寺为穆斯林宗教活动场所和文化中心。 Some years ago the clock in the tower of the mosque got out of order.几年前，清真寺钟楼里的大钟失灵了。

39 putrid
adj.腐臭的；有毒的；已腐烂的；卑劣的
参考例句：
To eat putrid food is liable to get sick.吃了腐败的食物容易生病。 A putrid smell drove us from the room.一股腐臭的气味迫使我们离开这房间。

40 caravans
（可供居住的）拖车（通常由机动车拖行）( caravan的名词复数 )； 篷车； （穿过沙漠地带的）旅行队（如商队）
参考例句：
Old-fashioned gypsy caravans are painted wooden vehicles that are pulled by horses. 旧式的吉卜赛大篷车是由马拉的涂了颜色的木质车辆。 Old-fashioned gypsy caravans are painted wooden vehicles. 旧时的吉普赛大篷车是涂了颜色的木质车辆。

41 thither
adv.向那里；adj.在那边的，对岸的
参考例句：
He wandered hither and thither looking for a playmate.他逛来逛去找玩伴。 He tramped hither and thither.他到处流浪。

42 locomotion
n.运动，移动
参考例句：
By land,air or sea,birds are masters of locomotion.无论是通过陆地，飞越空中还是穿过海洋，鸟应算是运动能手了。 Food sources also elicit oriented locomotion and recognition behavior patterns in most insects.食物源也引诱大多数昆虫定向迁移和识别行为。

43 prudent
adj.谨慎的，有远见的，精打细算的
参考例句：
A prudent traveller never disparages his own country.聪明的旅行者从不贬低自己的国家。 You must school yourself to be modest and prudent.你要学会谦虚谨慎。

44 veer
vt.转向，顺时针转，改变；n.转向
参考例句：
He is unlikely to veer from his boss's strongly held views.他不可能背离他老板的强硬立场。 If you fall asleep while driving,you'll probably veer off the road.假如你开车时打瞌睡，可能会驶离道路。

45 eastward
adv.向东；adj.向东的；n.东方，东部
参考例句：
The river here tends eastward.这条河从这里向东流。 The crowd is heading eastward,believing that they can find gold there.人群正在向东移去，他们认为在那里可以找到黄金。

46 thereby
adv.因此，从而
参考例句：
I have never been to that city,,ereby I don't know much about it.我从未去过那座城市，因此对它不怎么熟悉。 He became a British citizen,thereby gaining the right to vote.他成了英国公民，因而得到了投票权。

47 mosques
清真寺； 伊斯兰教寺院，清真寺； 清真寺，伊斯兰教寺院( mosque的名词复数 )
参考例句：
Why make us believe that this tunnel runs underneath the mosques? 为什么要让我们相信这条隧洞是在清真寺下？ The city's three biggest mosques, long fallen into disrepair, have been renovated. 城里最大的三座清真寺，过去年久失修，现在已经修复。

48 incessant
adj.不停的，连续的
参考例句：
We have had incessant snowfall since yesterday afternoon.从昨天下午开始就持续不断地下雪。 She is tired of his incessant demands for affection.她厌倦了他对感情的不断索取。

49 subsided
v.（土地）下陷（因在地下采矿）( subside的过去式和过去分词 )；减弱；下降至较低或正常水平；一下子坐在椅子等上
参考例句：
After the heavy rains part of the road subsided. 大雨过后，部分公路塌陷了。 来自《简明英汉词典》 By evening the storm had subsided and all was quiet again. 傍晚， 暴风雨已经过去，四周开始沉寂下来。 来自《现代汉英综合大词典》

50 fatigue
n.疲劳，劳累
参考例句：
The old lady can't bear the fatigue of a long journey.这位老妇人不能忍受长途旅行的疲劳。 I have got over my weakness and fatigue.我已从虚弱和疲劳中恢复过来了。

51 narrative
n.叙述，故事；adj.叙事的，故事体的
参考例句：
He was a writer of great narrative power.他是一位颇有记述能力的作家。 Neither author was very strong on narrative.两个作者都不是很善于讲故事。