新概念英語第四冊
Lesson 35 Space odyssey
1 . easily obtainable from the lunar rocks in the form of liquid oxygen.從月球上的岩石中很容易提煉出液態氧，
2 . chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.比大峽谷還寬的裂縫，起碼有一座山有珠穆朗瑪峰的近兩倍高。
3 . America, Russia and Europe are filled with enthusiasts----美國、俄羅斯和歐洲都有許多熱心此項事業的人
4 . many of them serious and senior scientists---- who dream of sending people to it.其中的不少人是認真和資深的科學家，他們一直夢想著把人送上火星。
5 . 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，從月球到地球的25萬英里所消耗的能量要比從地球表面進入地球軌道的200英里所耗能量少97%。
6 . The idea of colonising Mars---- a world 160 times more distant than the Moon----征服火星的計劃-一個比月球遠160倍的星球
7 . 1 'It's impossible---- don't waste my time.'一、"根本不可能，不要浪費我的時間。"
8 . 2 'It's possible, but not worth doing.'二、 可能，但不值得做。"
9 . To escape from the Earth in a rocket, one must travel at seven miles per second.要乘坐一枚火箭飛離地球，火箭的速度要達到每秒7英里，
10 . will move decisively from the second phase to the third,就可以明確地從第2階段進入第3階段。
11 . The reason lies in its gravity.其原因在於月球的重力。
12 . This may sound fantastic, but it is easily calculated.這點聽起來令人難以置信，但卻很容易計算出來。
13 . Their aim is understandable.他們的目標是可以理解的。
14 . Because the gravity on the Moon's surface is only a sixth of Earth's由於月球表面的重力僅是地球表面的1/6-
15 . The comparable speed from the Moon is only 1.5 miles per second.而從月球出發的相應速度只是每秒1。5英里。
16 . Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.月球居民在太空遨遊的費用僅是地球上朋友飛越同樣路所需費用的3%。
17 . supplying the rocket fuels for its ships,作為航天飛船的燃料。
18 . The Moon is likely to become the industrial hub of the Solar System,月球很可能成為太陽系的工業中心。
19 . 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。
20 . It is the one world in the Solar System that is most like the Earth.火星是太陽系裡與地球最接近的一顆行星。
21 . 3 'I said it was a good idea all along.'三、 我一直說這是個好想法。"
22 . cloudless skies, savage sandstorms,無雲的天空，兇猛的沙暴，
23 . (remember how easily the Apollo astronauts bounded along),還記得阿波羅飛船中的宇航員輕鬆地跳躍-
24 . It seems ideal for settlement.看起來，它很適合居住。
25 . Mars has an extraordinary fascination for would-be voyagers.火星對未來的星際旅客來說有著特殊的魅力。
26 . Because the Moon has only an eightieth of the Earth's mass,因為月球的重量只有地球的1/8，
27 . when a significant number of people are living permanently in space.如果有相當數量的人永久性地住在太空，
28 . Arthur C.Clark once suggested a revolutionary idea passes through three phases:Arthur C.Clark曾經提出，一個革命性的想法經過三個階段：