椭圆越扁平，两焦点之间的距离越远，每个焦点离中心的距离也越远。

The flatter the ellipse the farther apart the foci and the farther each focus the center.

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它位于中心。离自助餐厅有两分钟的路程。

It's in a very central location. It's two minutes away from the cafeteria.

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看看为什么他们会认为自己能把你劝离自己的数据中心。

See why they think they will be able to talk you out of running your own data center.

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So, taking just the outermost electron might give us some false readings.

所以只取离中心最远的那个电子的电离能,可能会使我们的认识发生偏差。

麻省理工公开课 - 固态化学导论课程节选