没有地心引力，有很多事我们就不能做。
Without gravity, there would be lots of things we couldn't do.
假设没有地心引力咱们就不能呆在地球上。
如果没有地心引力，就没有空气和任何声音。
Without gravity, there would be no air or sound of any kind.
太空中没有地心引力。
如果没有地心引力，将不会存在空气和任何声音。
Without gravity there would be no air and no sound of any kind.
在太空中太空人是没办法哭的，因为没有地心引力眼泪流不出来。
In the outer space, an astronaut is not able to cry, because absence of gravity, tears can't be flowed out.
要是没有地心引力，你也根本讲不出话，叫喊不出，也根本听不到任何声音。
If there were no gravity you would not be able to talk or shout or hear anything at all.
这段节目展现了宇航员们宇宙飞船里的生活情况，展示他们的航天器械、食物储存以及他们在没有地心引力身体失重的情况下如何移动和工作的细节。
The broadcast showed how the astronauts lived on the spacecraft. It showed their instruments, food storage, and details of how they moved and worked without gravity to give them weight.
但是地心引力定律没有解释什么是地心引力，也没有解释它为何会发生。
But the law of gravity doesn't explain what gravity is or why it might work in this way.
但是地心引力定律没有解释什么是地心引力，也没有解释它为何会发生。
But the law of gravity doesn't explain what gravity is or why it might work in this way.
应用推荐