它们在太空中，可以到达世界的任何地方。

They are in space, and they can reach any part of the world.

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在太空中漂浮很像在水中漂浮。

Floating in space is a lot like floating in water.

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飞船像一叶孤舟在太空中缓缓地飞行。

The spacecraft in space like a leaf boat slowly flying.

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Likewise, when in outer space, when you are orbiting the Earth, people are always floating around in these space stations.

就好比在外太空,当你在绕地球运行时,宇航员总是悬浮在太空站

耶鲁公开课 - 基础物理课程节选

If you escape the pull of gravity, your spaceship will be off, won't be orbiting the Earth.

如果你完全脱离重力,太空船早就飞得没影了,而不是在轨道上运行

耶鲁公开课 - 基础物理课程节选

In the original "Battlestar Galactica," this was the star.

在原版的《太空堡垒卡拉狄加》,他就是主演。

耶鲁公开课 - 心理学导论课程节选