We know that charge is equal to the integral of current times the time. And he knows the current, he knows how much time and then he weighs this.

我们知道电量等于电流,对时间的积分，他知道电流，他也知道时间，然后他测量这个。

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some kind of old clocks, a lot of time management, measurement devices,

一些旧钟，很多用于时间管理的测量仪器，

时间开始的地方 - SpeakingMax英语口语达人

Each one of those electrodes allows us to measure, we plot voltage verses time, ? this signal coming from the tip of that electrode. Ok?

我们通过每个这样的电极都可以设计一种测量方法，我们设计电压比时间，这一信号源于电极的一端，对吧？

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So what this says is, you can measure time by having your own clock.

也就是说,你可以用时钟来测量时间

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What you should imagine doing is making these three measurements more and more quickly.

你应该想到的做法,是在尽量短的时间内完成这三次测量

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But if you imagine making these measurements more and more and more quickly, in the end, you can measure what you can say is the acceleration now.

但如果你想越来越短的时间内,测量这些数据,最终,你会测量出你所说的现在的加速度

耶鲁公开课 - 基础物理课程节选

A clock tells you what time it is, but you can also say what time it is by seeing how fast the particle is moving because you know it started with some speed.

时钟能告诉你现在的时间,但你也可以通过测量质点速度,来判断当前的时间,因为你知道它的初速度

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