Generally speaking, ceramics are what you get when you apply heat to certain inorganic, non-metallic solids and then allow them to cool.

一般来说，陶瓷就是你加热某些无机的、非金属的固体然后让它们冷却得到的东西。

youdao

When the UFO arrives, what are you doing?

当不明飞行物到达时，你在做什么？

youdao

Imagine you are a famous movie star or a well known sports player, what do you do when your fans run up to you?

想象你是一个著名的电影明星或著名的体育运动员，当你的粉丝跑向你时，你会做什么？

youdao

You monkey around with something when you do not know what you are doing.

VOA: special.2011.03.13

And what he said was that when you get down to atomic length scales there are limits, there are constraints on our ability to observe.

讲的就是,当你去进入到原子长度的尺度中,我们的观察能力,有一定的限制条件。

麻省理工公开课 - 固态化学导论课程节选

And that's what you want because the electron repulsion is only felt when you are in really, really close.

而那就是你想要的,因为电子间的斥力只有当它们,离得非常非常近时才能感觉得到。

麻省理工公开课 - 固态化学导论课程节选

As sarcastic as that might sound, that is exactly what you are doing when you are corresponding over unsecured channels.

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The other lesson to be drawn is to really understand what you are doing when you have loans accumulate on whole life policies.

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This kind of due diligence is necessary for understanding just what you are buying when you invest in a mutual fund or an ETF.

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