Because only atomic hydrogen has that set of lines which means I could then take the spectra of gas phase species and use that information to identify.

我在这抬头看看然后离开，那就是氢原子,那就意味着,我可以测定,气相种类的光谱并且运用那个信息来鉴定。

麻省理工公开课 - 固态化学导论课程节选

And that's where like, in Phase One, you can only sign up for 10 units worth of classes.

比如说，在第一阶段，你只能报10个学分的课程。

关于授课系统 - SpeakingMax英语口语达人

Not only don't I exist during Phase D,I'm not alive either.

不仅不存在，而且不存活。

耶鲁公开课 - 死亡课程节选

Is there something immoral about removing the organs during Phase D when the person is dead and the only thing that's still alive is the body?

在D阶段人已死亡只有肉体存活时,摘除器官是否不道德？

耶鲁公开课 - 死亡课程节选