徒步方队总教练袁大庆介绍说：“我们首先进行单独训练，然后成列，最后形成完整的编队。”

"First, we trained individually, then in lines, before building up to full formation," said aptly-named chief training officer Yuan Daqing.

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徒步方队总教练袁大庆介绍说：“我们首先进行单独训练，然后成列，最后形成完整的编队。”

"First, we trained individually, then in lines, before building up to full formation, " said aptly-named chief training officer Yuan Daqing.

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你可以肯定，她向他请求原谅；然后，他觉得昏昏欲睡，就在狗窝里蜷成一团。

You may be sure she begged his pardon; and then, feeling drowsy, he curled round in the kennel.

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So we started with 10 valence electrons, we used up 8 of those electrons in terms of making bonds.

我们一开始有十个价电子，然后用掉了八个电子来成键。

麻省理工公开课 - 化学原理课程节选

and then one day I'll be like, "Oh, I want to dress like a clown today, so I will."

而可能有时候，我想，“喔，今天我想打扮成一个小丑，然后我就这么做了。”

时尚让人兴奋 - SpeakingMax英语口语达人

CO Right, so you take the co here, and we take the valence here, and out of that comes covalent.

好了，然后我们看到，我们可以看到他的化合价，他们成共价键。

麻省理工公开课 - 固态化学导论课程节选