youdao

youdao

youdao

So, now with this framework, I said that talking about these valence electrons might give us some insight into chemical reactivity.

所以，现在对于这个结构，我认为讨论价电子能,会让我们对化学反应有更深的领悟。

麻省理工公开课 - 固态化学导论课程节选

because it will give you an opportunity to say "I want to be sure that this is done, has been done"

因为用这个句型，你就能表达“我想确认这事会做到的，或者已经做到了。”

Make sure 课堂 - SpeakingMax英语口语达人

But why is it acting? Why specifically acting and why this weird comment at the end, "What could be prettier?"

为什么是表演，为什么是具体的表演，为什么,会有这么奇怪的评论，还能有更漂亮的事情吗“

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