The seconds cross out, the kilograms cross out, one of the meters crosses out from the top, so we're left with an answer in meters.

秒消掉了，千克消掉了，单位米和上面的一起约去了，所以我们得到的答案只剩下米。

麻省理工公开课 - 化学原理课程节选

and you'll make a date to go there like where,

你们就会约好去那里，

滑板的魅力 - SpeakingMax英语口语达人

I asked her to go to the restaurant tonight.

我约她今晚去餐厅吃饭。

I'm sure 实战 - SpeakingMax英语口语达人

I'm going to do something which somehow we are told never, ever to do, which is to just cancel the dts.

我接下来要做一件以前绝对不允许的事情,约去这些dt

耶鲁公开课 - 基础物理课程节选

In addition to that, we have that epsilon nought value, remember that's the permittivity constant in a vacuum, and basically that is what we use as a conversion factor to get from units. We don't want namely coulombs to units, we want that will allow us to cancel out in this equation.

这是电子的电荷，此外，我们有epsilon零，记住这是真空的介电常数，这是我们用来转换单位的转换常数,我们不想用库伦单位，我们希望这个可以在方程中约去它。

麻省理工公开课 - 化学原理课程节选