当我们来拜访小张时，他和女友盛情的款待了我们。

When we came to visit little Zhang, he and her girlfriend showed us a good time.

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当我们来中国的时候，汉语并不好，这一切都得益于老师们的耐心教导，现在汉语进步很大。

When we come to China, our Chinese is not very good but due to our teachers hard work now it is pretty better.

youdao

当我们安全进入花园时，他们大笑，直笑得喘不过气来。

When we get safe into the garden, they laugh till they've no breath left to laugh with.

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Sometimes we might just directly tell you that's probably the easiest scenario, because when we think about work functions those are usually reported in energy.

有时候我们可能只是直接告诉你,那可能是最简单的情况，因为当我们考虑功函数时,它们经常用能量来记录。

麻省理工公开课 - 化学原理课程节选

When we did the spring, we had this theory of Hooke's Law that told us something, and we built a simulation, or built some tools around that theory.

当我们写弹簧程序的时候,我们有胡克定律来告诉我们原理，然后我们建立了一个仿真模型，或者说是在这个理论基础上建立了一些工具。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the idea is that when you do these Lewis dot structures, we're representing electrons with dots, which we'll see in a minute, and each dot is going to represent a valence electron.

而当你遇到这些路易斯点结构时，我们会将电子用点来表示，我们马上就会看到，每个点都代表了一个价电子。

麻省理工公开课 - 化学原理课程节选