当这个孩子试图吸引她母亲的注意力时，她变得越来越苦恼。

The child becomes increasingly distressed as she tries to capture her mother's attention.

youdao

当这个男孩开始自己走路，甚至走得更快了，这是一个极大的解脱。

When the boy began to walk by himself and even to move more quickly it was an immense relief.

youdao

当这个决定背后的原因得到了解释后，当然，一切都变得豁然开朗了。

When the reasons behind the decision were explained, of course, it all fell into place.

《柯林斯英汉双解大词典》

So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.

这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。

麻省理工公开课 - 热力学与动力学课程节选

You're stopping him on his track when he says that he's going to marry her, and you say,

当你哥哥说打算跟这个女孩结婚时，你决定要阻止他这样错下去，于是你说，

The thing is 课堂 - SpeakingMax英语口语达人

But what's really shocking is when you compare this with this, it's based upon sonnet 57 because lanthanum is element 57.

但是真正令人震惊的是,当你比较这个和这个的时候，基于诗57来看7,而正好镧是57号元素。

麻省理工公开课 - 固态化学导论课程节选