After a couple of hours, I've got a notification email saying that n!

两三小时后，我收到一封邮件，通知我n ！

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To explore the role of the bridged N atom for a possible proton transfer in the active site of hydrogenase, we tried to introduce a hydrogen bond into a couple of designed molecules.

为研究氢化酶活性中心氮桥结构中氮原子是否起到质子摆渡的作用，设计了在分子内引入氢键的结构。

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So just to show you how big a difference it makes, let's run a couple of numbers.

让我们试试一组数字吧,如果n是1000的话。

麻省理工公开课 - 计算机科学及编程导论课程节选

Hasbro sent a couple of these new Gear Up N-Strikes to the Forbes office.

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This week, I spent a couple of days in Rochester, N.

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Afterward the couple rendezvoused at the Plaza Ath??n??e in Paris, from where they informed their respective spouses that their marriages were kaput.

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