But if I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.

但是如果我透过窗户看到你,这个物体沿着某个轨迹运动,既有上下,也有水平方向的运动

耶鲁公开课 - 基础物理课程节选

All matter contains within it something like a "potency of life"; that's Milton's phrase. It has a capacity for action, actually a capacity for motion, and, just as books can take on a life of their own in Areopagitica, so all matter for later Milton.

所有物质都更包含一种类似“生命的潜质“的东西;,这是弥尔顿的原话，所有物质都有行动的可能,运动的可能，正如《论出版自由》中书籍可以有自己的,生命一样，晚年的弥尔顿相信一切物质都是这样。

耶鲁公开课 - 弥尔顿课程节选

This spring is getting squashed on either side, and it'll squash by certain amount x, that depends on your mass, and that x will be turned into a motion of a needle and that'll read your mass.

这个弹簧两边都会受到压缩,压缩量为 x,它由你的质量决定,x 会转换成指针的运动,你从而可以读数

耶鲁公开课 - 基础物理课程节选