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这项运动要求很快的反应能力。

The sport requires very fast reactions.

《柯林斯英汉双解大词典》

当它受惊时它有一种独特的反应能力。

It has a unique ability to react when it is startled.

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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

So by using the tabulated data, we can really determined heats of formation for most reactions that you might contemplate, OK?

所以，使用这些表格,我们就能确定大多数,你可能碰到的反应的生成热？

麻省理工公开课 - 热力学与动力学课程节选

So, if I look at the mole ratios on the reaction over there I'm going to find that I'll be able to consume, at most, 1,029 over two, right?

所以，注意反应的摩尔比,我们会发现，1029摩尔的镁能被消耗，对吧？

麻省理工公开课 - 固态化学导论课程节选