| 51. | Because the Moon has only an eightieth of the Earth's mass, 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! |
| 因为月球的重只有地球的1/8，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%。
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| 52. | There are one hundred thousand million starts in our own Milky Way alone, and then there are exist is now estimated at about 300 million million. |
| 仅我们的银河系就有1000亿颗星，况且在宇宙中还有30亿个天河，即银河系。
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| 53. | The parietal cells concentrate hydrogen ions more than one million times. |
| 壁细胞浓缩氢离子100万倍以上。
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| 54. | According to a recent survey, four million people die each year from diseases linked to smoking. |
| 依照最近的一项调查，每年有4，000，000人死于与吸烟有关的疾病。
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| 55. | Thanks a million . |
| 非常感谢。
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| 56. | I checked out one million dollars. |
| 我开支票提出一百万美元。
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| 57. | The record was a big hit and sold a million copies. |
| 这张唱片非常成功，卖了一百万张。
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| 58. | They sold their business for ten million dollars. |
| 他们以一千万美元卖掉了商号。
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| 59. | A million people took part in last year's march. |
| 100万人参加了去年的游行示威。
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| 60. | The university received a gift of a million dollars. |
| 该大学得到100万美元的赠款。
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