Is that something that is at work, or is it something that we could only be open to when it's ready?

它是一直存在，还是说,只有在特定时刻我们才能感知到他的力量？

普林斯顿公开课 - 人性课程节选

In the presence of this ligand, this molecule, it's open, it allows transport of this ion, when the ligand is gone it doesn't.

配体存在的情况下通道才打开,允许这些离子穿过,配体离开后,这些离子就不能通过了

耶鲁公开课 - 生物医学工程探索课程节选

It makes sense to me logically that I want to see it first when I open the file; so I scroll on down but only later is increment declared.

这个逻辑上对我是有意义的，打开文件的时候,我想先看到它，所以我向下翻,之后才声明increment函数。

哈佛公开课 - 计算机科学课程节选