💬 新概念英语第三册
共 1411 条英汉对照例句 · 第 29 页
Lesson 42 Modern cavemen
Exploring really deep caves is not a task for the Sunday afternoon rambler.
探测非常深的洞穴不是那些在星期日下午漫步的人所能胜任的。
Lesson 42 Modern cavemen
Such undertakings require the precise planning and foresight of military operations.
这种活动需要有军事行动般的周密布署和预见能力。
Lesson 42 Modern cavemen
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。
Lesson 42 Modern cavemen
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。
Lesson 42 Modern cavemen
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里诺布尔附近的高弗。伯杰洞，
Lesson 42 Modern cavemen
It extends to a depth of 3,723 feet.
深达3，723英尺。
Lesson 42 Modern cavemen
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。
Lesson 42 Modern cavemen
The entrance to the cave is on a plateau in the Dauphine Alps.
此洞的洞口在丹芬阿尔卑斯山的高原上，
Lesson 42 Modern cavemen
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。
Lesson 42 Modern cavemen
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。
Lesson 42 Modern cavemen
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，
Lesson 42 Modern cavemen
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。
Lesson 42 Modern cavemen
A team of pot-holers recently went down the Gouffre Berger.
最近，一队洞穴探险者下到了高弗。伯杰洞里。
Lesson 42 Modern cavemen
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。
Lesson 42 Modern cavemen
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。
Lesson 42 Modern cavemen
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。
Lesson 42 Modern cavemen
They plunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side.
他们跳入湖中，把各种器具装上一只充气的橡皮艇，听任水流将他们带往对岸。
Lesson 42 Modern cavemen
To protect themselves from the icy water, they had to wear special rubber suits.
湖水冰冷刺骨，他们必须穿上一种特制的橡皮服以保护自己。
Lesson 42 Modern cavemen
At the far end of the lake, they came to huge piles of rubble which had been washed up by the water.
在湖的尽头，他们见到一大堆一大堆由湖水冲刷上岸的碎石。
Lesson 42 Modern cavemen
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。
Lesson 42 Modern cavemen
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。
Lesson 42 Modern cavemen
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，像树干似地向上长着，与洞顶悬挂下来的钟乳石相接。
Lesson 42 Modern cavemen
Round about, piles of limestone glistened in all the colours of the rainbow.
周围是一堆堆石灰石，像彩虹一样闪闪发光。
Lesson 42 Modern cavemen
In the eerie silence of the cavern,
洞里有一种可怕的寂静，
Lesson 42 Modern cavemen
the only sound that could be heard was made by water which dripped continuously from the high dome above them.
唯一的可以听见的声响是高高的圆顶上不间断地滴水的嘀嗒声。
Lesson 43 Fully insured
Insurance companies are normally willing to insure anything.
保险公司一般说来愿意承保一切东西。
Lesson 43 Fully insured
Insuring public or private property is a standard practice in most countries in the world.
承办公共财产或私人财产保险是世界上大部分国家的正常业务。
Lesson 43 Fully insured
If, however, you were holding an open air garden party or a fete it would be equally possible to insure yourself in the event of bad weather.
如果你要举办一次露天游园会或盛宴，为避免碰上不好的天气而遭受损失也同样可以保险，
Lesson 43 Fully insured
Needless to say, the bigger the risk an insurance company takes, the higher the premium you will have to pay.
不用说，保险公司承担风险越大，你付的保险费也就越高。
Lesson 43 Fully insured
It is not uncommon to hear that a shipping company has made a claim for cost of salvaging a sunken ship.
航运公司为打捞沉船而提出索赔，这是常有的事，