Tom Swift and his Big Tunnel
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Chapter XXI A New Explosive

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 The young inventor was idly handling some pieces of the very hard rock that had cropped out in the tunnel cut. Tom had tested it, he had pulverized1 it (as well as he was able), he had examined it under the microscope, and he had taken great slabs3 of it and set off under it, or on top of it, charges of explosive of various power to note the effect. But the results had not been at all what he had hoped for.
 
"What's to be done, Tom?" repeated the contractor4.
 
"Well, Mr. Titus," was the answer, "the only thing I see to do is to make a new explosive."
 
"Can you do it, Tom?"
 
The reply was characteristic.
 
"I can try."
 
And in the days that followed, Tom began work on a new line. He had brought from Shopton with him much of the needful apparatus5, and he found he could obtain in Lima what he lacked.
 
A message to his father brought the reply that the new ingredients Tom needed would be shipped.
 
"The kind of explosive we need to rend6 that very hard rock," the young inventor explained to the Titus brothers, "is one that works slowly."
 
"I thought all explosions had to be as quick as a flash," said Walter.
 
"Well, in a sense, they do. Yet we have quick burning and slow-burning powders, the same as we have fuses. A quick-burning explosive is all right in soft rock, or in soil with rock and earth mingled7. But in rock that is harder than flint if you use a quick explosive, only the outer surface of the rock will be scaled off.
 
"If you take a hammer and bring it down with all your force on a hard rock you may chip off a lot of little pieces, or you may crack the rock, but you won't, under ordinary circumstances, pulverize

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1 pulverized 12dce9339f95cd06ee656348f39bd743     
adj.[医]雾化的，粉末状的v.将…弄碎( pulverize的过去式和过去分词 )；将…弄成粉末或尘埃；摧毁；粉碎
参考例句：
  • We pulverized the opposition. 我们彻底击败了对手。
  • He pulverized the opposition with the force of his oratory. 他能言善辩把对方驳得体无完肤。 来自辞典例句
2 pulverize gCayx     
v.研磨成粉；摧毁
参考例句：
  • A factory making armaments had been bombed the night before and a residential area not far away had been pulverized.前天晚上，一家兵工厂被炸，不远处的居民区也被夷为平地。
  • He is set to pulverise his two opponents in the race for the presidency.他决心在总统竞选中彻底击垮他的两个对手。
3 slabs df40a4b047507aa67c09fd288db230ac     
n.厚板，平板，厚片( slab的名词复数 )；厚胶片
参考例句：
  • The patio was made of stone slabs. 这天井是用石板铺砌而成的。 来自《简明英汉词典》
  • The slabs of standing stone point roughly toward the invisible notch. 这些矗立的石块，大致指向那个看不见的缺口。 来自辞典例句
4 contractor GnZyO     
n.订约人，承包人，收缩肌
参考例句：
  • The Tokyo contractor was asked to kick $ 6000 back as commission.那个东京的承包商被要求退还6000美元作为佣金。
  • The style of house the contractor builds depends partly on the lay of the land.承包商所建房屋的式样，有几分要看地势而定。
5 apparatus ivTzx     
n.装置，器械；器具，设备
参考例句：
  • The school's audio apparatus includes films and records.学校的视听设备包括放映机和录音机。
  • They had a very refined apparatus.他们有一套非常精良的设备。
6 rend 3Blzj     
vt.把…撕开，割裂；把…揪下来，强行夺取
参考例句：
  • Her scrams would rend the heart of any man.她的喊叫声会撕碎任何人的心。
  • Will they rend the child from his mother?他们会不会把这个孩子从他的母亲身边夺走呢？
7 mingled fdf34efd22095ed7e00f43ccc823abdf     
混合，混入( mingle的过去式和过去分词 )； 混进，与…交往[联系]
参考例句：
  • The sounds of laughter and singing mingled in the evening air. 笑声和歌声交织在夜空中。
  • The man and the woman mingled as everyone started to relax. 当大家开始放松的时候，这一男一女就开始交往了。
8 vibrations d94a4ca3e6fa6302ae79121ffdf03b40     
n.摆动( vibration的名词复数 )；震动；感受；（偏离平衡位置的）一次性往复振动
参考例句：
  • We could feel the vibrations from the trucks passing outside. 我们可以感到外面卡车经过时的颤动。
  • I am drawn to that girl; I get good vibrations from her. 我被那女孩吸引住了，她使我产生良好的感觉。 来自《简明英汉词典》
9 accomplished UzwztZ     
adj.有才艺的；有造诣的；达到了的
参考例句：
  • Thanks to your help,we accomplished the task ahead of schedule.亏得你们帮忙,我们才提前完成了任务。
  • Removal of excess heat is accomplished by means of a radiator.通过散热器完成多余热量的排出。
10 laborers c8c6422086151d6c0ae2a95777108e3c     
n.体力劳动者，工人( laborer的名词复数 )；（熟练工人的）辅助工
参考例句：
  • Laborers were trained to handle 50-ton compactors and giant cranes. 工人们接受操作五十吨压土机和巨型起重机的训练。 来自《现代英汉综合大词典》
  • Wage-labour rests exclusively on competition between the laborers. 雇佣劳动完全是建立在工人的自相竞争之上的。 来自英汉非文学 - 共产党宣言
11 perfectly 8Mzxb     
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。
12 contented Gvxzof     
adj.满意的，安心的，知足的
参考例句：
  • He won't be contented until he's upset everyone in the office.不把办公室里的每个人弄得心烦意乱他就不会满足。
  • The people are making a good living and are contented,each in his station.人民安居乐业。
13 perilously 215e5a0461b19248639b63df048e2328     
adv.充满危险地，危机四伏地
参考例句：
  • They were perilously close to the edge of the precipice. 他们离悬崖边很近，十分危险。 来自《简明英汉词典》
  • It'seemed to me that we had come perilously close to failure already. 对我来说，好像失败和我只有一步之遥，岌岌可危。 来自互联网
14 contractors afd5c0fd2ee43e4ecee8159c7a7c63e4     
n.（建筑、监造中的）承包人( contractor的名词复数 )
参考例句：
  • We got estimates from three different contractors before accepting the lowest. 我们得到3个承包商的报价后，接受了最低的报价。 来自《简明英汉词典》
  • Contractors winning construction jobs had to kick back 2 per cent of the contract price to the mafia. 赢得建筑工作的承包商得抽出合同价格的百分之二的回扣给黑手党。 来自《简明英汉词典》
15 wholesale Ig9wL     
n.批发；adv.以批发方式；vt.批发，成批出售
参考例句：
  • The retail dealer buys at wholesale and sells at retail.零售商批发购进货物，以零售价卖出。
  • Such shoes usually wholesale for much less.这种鞋批发出售通常要便宜得多。
16 kindly tpUzhQ     
adj.和蔼的，温和的，爽快的；adv.温和地，亲切地
参考例句：
  • Her neighbours spoke of her as kindly and hospitable.她的邻居都说她和蔼可亲、热情好客。
  • A shadow passed over the kindly face of the old woman.一道阴影掠过老太太慈祥的面孔。
17 bumper jssz8     
n.(汽车上的)保险杠；adj.特大的，丰盛的
参考例句：
  • The painting represents the scene of a bumper harvest.这幅画描绘了丰收的景象。
  • This year we have a bumper harvest in grain.今年我们谷物丰收。
18 retinue wB5zO     
n.侍从；随员
参考例句：
  • The duchess arrived,surrounded by her retinue of servants.公爵夫人在大批随从人马的簇拥下到达了。
  • The king's retinue accompanied him on the journey.国王的侍从在旅途上陪伴着他。
19 inscription l4ZyO     
n.（尤指石块上的）刻印文字，铭文，碑文
参考例句：
  • The inscription has worn away and can no longer be read.铭文已磨损，无法辨认了。
  • He chiselled an inscription on the marble.他在大理石上刻碑文。
20 shaft YEtzp     
n.(工具的)柄，杆状物
参考例句：
  • He was wounded by a shaft.他被箭击中受伤。
  • This is the shaft of a steam engine.这是一个蒸汽机主轴。
21 decided lvqzZd     
adj.决定了的，坚决的；明显的，明确的
参考例句：
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
22 rite yCmzq     
n.典礼，惯例，习俗
参考例句：
  • This festival descends from a religious rite.这个节日起源于宗教仪式。
  • Most traditional societies have transition rites at puberty.大多数传统社会都为青春期的孩子举行成人礼。
23 rending 549a55cea46358e7440dbc8d78bde7b6     
v.撕碎( rend的现在分词 )；分裂；（因愤怒、痛苦等而）揪扯（衣服或头发等）；（声音等）刺破
参考例句：
  • The cries of those imprisoned in the fallen buildings were heart-rending. 被困于倒塌大楼里的人们的哭喊声令人心碎。 来自《现代汉英综合大词典》
  • She was rending her hair out in anger. 她气愤得直扯自己的头发。 来自《简明英汉词典》
24 chunks a0e6aa3f5109dc15b489f628b2f01028     
厚厚的一块( chunk的名词复数 )； （某物）相当大的数量或部分
参考例句：
  • a tin of pineapple chunks 一罐菠萝块
  • Those chunks of meat are rather large—could you chop them up a bIt'smaller? 这些肉块相当大，还能再切小一点吗？
25 shack aE3zq     
adj.简陋的小屋，窝棚
参考例句：
  • He had to sit down five times before he reached his shack.在走到他的茅棚以前，他不得不坐在地上歇了五次。
  • The boys made a shack out of the old boards in the backyard.男孩们在后院用旧木板盖起一间小木屋。
26 detonation C9zy0     
n.爆炸；巨响
参考例句：
  • A fearful detonation burst forth on the barricade.街垒传来一阵骇人的爆炸声。
  • Within a few hundreds of microseconds,detonation is complete.在几百微秒之内，爆炸便完成了。
27 crevices 268603b2b5d88d8a9cc5258e16a1c2f8     
n.（尤指岩石的）裂缝，缺口( crevice的名词复数 )
参考例句：
  • It has bedded into the deepest crevices of the store. 它已钻进了店里最隐避的隙缝。 来自辞典例句
  • The wind whistled through the crevices in the rock. 风呼啸着吹过岩石的缝隙。 来自辞典例句
28 disintegrate ftmxi     
v.瓦解，解体，（使）碎裂，（使）粉碎
参考例句：
  • The older strata gradually disintegrate.较老的岩层渐渐风化。
  • The plane would probably disintegrate at that high speed.飞机以那么高速飞行也许会四分五裂。

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