有些运动主要涉及整体的垂直或水平运动，其中转动可以忽略，可以用三维线性运动的简单方程来研究。

Some movements involving primarily vertical or horizontal motions of the body as a whole, in which rotations can be ignored, can be studied using simple equations of linear motion in three dimensions.

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有些运动员把铁饼掷得尽可能远。

Some athletes hurled a discus as far as they could.

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有些运动富有挑战性，许多年轻人喜欢。

Some sports are challenging and many young men like them.

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Next time to the Enlightenment and some people whom you might not think of at first glance would seem terribly enlightened.

下一次课是关于启蒙运动的,有些你们乍看之下绝对想不到的人物,却引领了那个时代

耶鲁公开课 - 欧洲文明课程节选