On the Moon if you had your ordinary muscles, you would be able to jump 10 or 20 feet above the ground. And you would not fall so quickly; you would simply sink slowly back, landing so gently that you would not hurt yourself.

• 在月球上，如果你有一般人的体力，你就能跳高地面10英尺，但你不会很快跌下去，你只是慢慢地往回落，着地轻轻地，伤不着自己。