浏览Web时，也会发生一个类似的转换。

A similar transformation happens when you surf the Web.

youdao

当视图中发生一个事件时，Cocoa框架将会调用这个控制器。

When an event happens in the view, the Cocoa framework will call the controller.

youdao

他说，当他们看到即将发生一个严重问题时，这些国家不应该推迟解决这个问题。

He says when they see a serious problem coming nations should not postpone the solutions.

youdao

When we have an isolated system, the criterion that determineswhether something happens spontaneously is the entropy has to increase.

对于孤立系统,决定一个过程是否自发发生的判据为：,熵必须增加。

麻省理工公开课 - 热力学与动力学课程节选

it's happening. And I think it's happening, I think it's being sped up by humans, by our interaction.

这是一个正在发生的事实，由于人类的活动，这个进程在加速。

喜欢环境法课程 - SpeakingMax英语口语达人

We've been discussing energy diagrams a lot in this class, it's a very good way to visualize exactly what's going on.

在这个课里面，我们已经讨论过很多次能量图了，它通常是一个很好的把所发生的事情形象化的方法。

麻省理工公开课 - 化学原理课程节选