And a few people will need to throw 2, if you feel like you have particularly good aim.

每个人一个，有些人可以扔两个。

麻省理工公开课 - 化学原理课程节选

During the section times I'll be available if you feel like you want to read Chapters 2 and 4 and then come and ask questions, sort of a tutorial on these topics of chemistry and biochemistry, then I'll be available to talk about that during that time.

在小组讨论的时间里,你们可以来找我,如果你们学习完第二章和第四章之后,想问一些关于,化学和生化方面的问题,可以来找我,我会在那个时候给你们进行讲解

耶鲁公开课 - 生物医学工程探索课程节选