石墨烯是一种只有单原子厚度的碳原子平面层——碳原子按蜂窝状晶格排列。

Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.

youdao

与传统的单语课程不同，双语课堂旨在从中学开始培养学生使用两种语言的能力。

Unlike traditional monolingual programs, bilingual classrooms aim at developing students' ability to use two languages by middle school.

youdao

研究结果为一种长期存在的假设提供了最好的证据，即单半球睡眠是在生物寻找敌人的过程中进化而来的。

The results provide the best evidence for a long standing supposition that single hemisphere sleep evolved as creatures scanned for enemies.

youdao

And, if you look carefully, it tries to give the sense of a one electron system.

如果你仔细的观察的话，它试图给人一种单电子系统的感觉。

麻省理工公开课 - 固态化学导论课程节选

So tone poems are one in movement, and we have got other kinds of genres in music.

交响诗都是单乐章的,所以我们又了解到一种音乐风格

耶鲁公开课 - 聆听音乐课程节选

It is not monogamous is another way of putting it.

按另一种方式也不是单配的。

麻省理工公开课 - 固态化学导论课程节选