That didn't happen to me -- once I got into the lab, I didn't want to leave. So, I thought, "You know what, I think I'll change the medical school plans and now I'm going to go all the way -- chemistry major, chemistry grad school."

这很好，但我不是这样，我一进入到实验室就不想离开了，所以我想“你知道吗,我想把我学习医学的计划改成化学-,我要学化学专业，读化学研究生“

麻省理工公开课 - 化学原理课程节选

If they're not obvious to you what they're called, you need to just study them and learn them.

如果它们不想它们的名字那么显而易见，你们需要学习它们记住它们。

麻省理工公开课 - 化学原理课程节选