global c Well, let's go ahead and open up global dot c, or you can follow along up here.

好的，我们继续打开，或者你们可以跟随这里个地方。

哈佛公开课 - 计算机科学课程节选

It has a gate on it and that gate is in open or close state depending on whether a ligand is present or not.

在这个通道上有个门,这个门是打开还是关闭,取决于配体到来与否

耶鲁公开课 - 生物医学工程探索课程节选