Or you can talk about the gate being open, and in this case, you can see that you will have an influx of ions.

或者你可以说闸门是打开的，就像这种情况，可以看到有离子通过它流入细胞。

麻省理工公开课 - 化学原理课程节选

So the influx of ions from the outside of the cell to the inside of And you can think of ion channels as being gated, by gated it means the gate can be closed and no ions are going through, as in this case here.

下面以离子从细胞外部流入内部,你可以把离子通道想象成是有闸门的，也就是说闸门可以关上,这时没有离子能通过，就像这种情况。

麻省理工公开课 - 化学原理课程节选

You might see them on the site and we just keep our operating expenses low so far and by doing that, we've been able to stay cash flow positive for basically the entire existence of the company.

在网站上可以看到,我们一直保持低成本运营，这样可以使得现金流的流入大于流出,自公司创办以来都是这样做的。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Then it becomes a theory of-- all of finance comes in as well.

这也形成了一种资金流入的相关理论。

耶鲁公开课 - 金融市场课程节选

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

And what they do is they regulate the influx of ions across that cell.

它们的作用,是调节离子流入细胞的流量。

麻省理工公开课 - 化学原理课程节选

In the 1920s, a lot of bogus stuff was sold -a lot of people were cheated -so after the stock market crash of 1929, it led to a movement for regulation.

在上世纪20年代,很多不合规的股票流入市场,很多人受骗,所以1929年的股市大崩盘,促使政府采取了一系列加强金融监管的行动

耶鲁公开课 - 金融市场课程节选