我想到时间了，我们得走了。

Come on in. Make yourself at home.

youdao

没想到时间过得这么快。

I didn't realize time's passed so quickly.

youdao

没想到时间过得这么快。

I think we shall have to get together again sometime.

youdao

And this should be fast, so let's take 10 seconds on this.

这应该很快就能想到，让我们花十秒钟的时间。

麻省理工公开课 - 化学原理课程节选

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

耶鲁公开课 - 基础物理课程节选

So this should be fast, so let's take 10 seconds.

这应该很快就能想到，让我们花十秒钟的时间。

麻省理工公开课 - 化学原理课程节选