多年来，牛顿一直对月球和行星绕轨道运行的原因感到好奇。

Newton for years had been curious about the cause of the orbital motion of the moon and planets.

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它将在300千米的高度绕地球运行。

It will travel around the Earth at a height of 300 km.

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米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。

Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.

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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

But no one dared say we have this little planetary model, I've got an electron orbiting a central nucleus and I am going to endow that electron with quantized states That was a big leap and that was Bohr in postulate five Postulate five I am just going to reproduce.

但是没有人敢说,我们拥有了这个小行星模型，知道了电子绕原子核运行,现在就要让它使电子处于量化的状态,假设五中波尔的成就是一个跳跃式的进步,假设五中我只需要重申一些东西。

麻省理工公开课 - 固态化学导论课程节选