We'll talk about exactly what a gel is later when we talk about biomechanics and cells are suspended within it.

之后当我们谈到生物力学的时候,会具体讲讲这个凝胶是什么,以及细胞是怎样悬浮在其中的

耶鲁公开课 - 生物医学工程探索课程节选

Use "When" whenever you want to ask about the timing of a certain event or series of events.

当你想要询问一个或一系列事件的具体时间时，你可以用“When”句型。

When 课堂 - SpeakingMax英语口语达人

And we're going to talk about this more when we talk about cell culturing later, and we'll talk about lots of potential applications of that as well.

当我们晚一点讲细胞培养的时候,会具体讲这些内容,我们也会讲,细胞培养技术的一些潜在应用

耶鲁公开课 - 生物医学工程探索课程节选

How many" is so useful for when you're asking a question about how many numbers there are.

当你想知道具体数量的时候，“How many”非常有用。

How many课堂 - SpeakingMax英语口语达人

So it's a more specific version of the equation where we have the n final equal to 2.

当我们令n等于2时,使这个这个方程变成更具体的版本。

麻省理工公开课 - 化学原理课程节选