不做第二个谁，只做第一个我。

No the next, I'm first.

youdao

你会做的第一件事同你的祖先在野外时做的一样——条件反射并下意识地用另外一只手抓住受伤那一只。

The first thing is reflexive, unthinking — something your ancestors could have done in the wild: you grasp the hurt hand with the other one.

youdao

我第一次做清醒梦只持续了5——10秒左右的时间。

The first time I had a lucid dream, it only lasted 5-10 seconds.

youdao

We're ready for the first law. We're just going to go to through these laws pretty quickly here.

现在我们来讨论热力学第一定律,我们只会做简要的讨论。

麻省理工公开课 - 热力学与动力学课程节选

I've only posted Chapter 1, which basically reviews the things I've talked about today.

我只把第一章挂在网上,它对我们今天讲到的东西做了基本的总结

耶鲁公开课 - 生物医学工程探索课程节选