You handle them very special in terms of being extra careful in a very high ventilation area, in hoods is how you handle them.

在使用它们的时候你需要格外小心,必须在通风条件非常好的地方，在通风柜中才行。

麻省理工公开课 - 化学原理课程节选

Is it true that when we die we all die having this feeling of loneliness, or perhaps feeling of alienation?

确实我们死的时候感到格外孤独凄凉，或者是感觉非常生疏？

耶鲁公开课 - 死亡课程节选