💬 新概念英语第四册
共 1204 条英汉对照例句 · 第 24 页
Lesson 35 Space odyssey
The Moon is likely to become the industrial hub of the Solar System,
月球很可能成为太阳系的工业中心。
Lesson 35 Space odyssey
supplying the rocket fuels for its ships,
作为航天飞船的燃料。
Lesson 35 Space odyssey
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，
Lesson 35 Space odyssey
The reason lies in its gravity.
其原因在于月球的重力。
Lesson 35 Space odyssey
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，
Lesson 35 Space odyssey
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。
Lesson 35 Space odyssey
This may sound fantastic, but it is easily calculated.
这点听起来令人难以置信，但却很容易计算出来。
Lesson 35 Space odyssey
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，
Lesson 35 Space odyssey
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。
Lesson 35 Space odyssey
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-
Lesson 35 Space odyssey
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-
Lesson 35 Space odyssey
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。
Lesson 35 Space odyssey
Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.
月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。
Lesson 35 Space odyssey
Arthur C.Clark once suggested a revolutionary idea passes through three phases:
Arthur C.Clark曾经提出，一个革命性的想法经过三个阶段：
Lesson 35 Space odyssey
1 'It's impossible---- don't waste my time.'
一、"根本不可能，不要浪费我的时间。"
Lesson 35 Space odyssey
2 'It's possible, but not worth doing.'
二、 可能，但不值得做。"
Lesson 35 Space odyssey
3 'I said it was a good idea all along.'
三、 我一直说这是个好想法。"
Lesson 35 Space odyssey
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球
Lesson 35 Space odyssey
will move decisively from the second phase to the third,
就可以明确地从第2阶段进入第3阶段。
Lesson 35 Space odyssey
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，
Lesson 35 Space odyssey
Mars has an extraordinary fascination for would-be voyagers.
火星对未来的星际旅客来说有着特殊的魅力。
Lesson 35 Space odyssey
America, Russia and Europe are filled with enthusiasts----
美国、俄罗斯和欧洲都有许多热心此项事业的人
Lesson 35 Space odyssey
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。
Lesson 35 Space odyssey
Their aim is understandable.
他们的目标是可以理解的。
Lesson 35 Space odyssey
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。
Lesson 35 Space odyssey
It is a world of red sandy deserts (hence its name----the Red Planet),
红色行星），
Lesson 35 Space odyssey
cloudless skies, savage sandstorms,
无云的天空，凶猛的沙暴，
Lesson 35 Space odyssey
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。
Lesson 35 Space odyssey
It seems ideal for settlement.
看起来，它很适合居住。
Lesson 36 The cost of government
If a nation is essentially disunited, it is left to the government to hold it together.
如果一个国家实际上处于分裂状态，使之联合起来就是政府的事了。