We're indeed having cross border wars. The idea of there being a single tax which is imposed across the world is simply inconceivable."

VOA: standard.2010.02.18

Remember, every time we have two electrons that are being shared, that's a single bond.

还记得，每次我们有两个电子被共用，我们就有了一个单键。

麻省理工公开课 - 化学原理课程节选

But it really comes down to that curiosity about what's happening right now everywhere and really being the pulse of what's happening right now everywhere and being able to point to every single medium.

但它确实可以归结为,对世界正在发生的事情的好奇心,并且正在成为每个地方,正在发生的事情的脉搏,并且可以连接到,每个独立的媒体。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Passengers are being encouraged to check ahead with their airlines, to arrive an hour earlier than normal and to bring only a single carry-on bag with them.

VOA: standard.2009.12.27

During development of the embryo it goes from being a single cell, the fertilized egg, to being a multi-cellular organism with billions of cells in it.

胚胎的发育,始于一个单一细胞,即受精卵,直到形成一个以十亿计数量的细胞构成的,多细胞有机体

耶鲁公开课 - 生物医学工程探索课程节选

But a char we've seen, a character being a single character.

正如我们看到的，一个字符就是一个单独的字符。

哈佛公开课 - 计算机科学课程节选

What's the metaphysical glue that underlies ? being a single extended-through-time person?

是什么形而上粘质,成为一个贯穿时间的人的基础？

耶鲁公开课 - 死亡课程节选

Think of that the people in a democracy he says "coming together uniting together become like " a single human being with many hands and feet " " and he says "with greater character and mind."

想一下，他说，民主政体中的人民,“连结，统合在一起,变成像是单一的个体，多手多脚“,且如他所说，“含有较广的性格与心智“

耶鲁公开课 - 政治哲学导论课程节选

Most of you have probably at some point or another learned about the cell cycle, or the process of a cell going from being a single cell to being two cells.

大部分人应该或多或少,学过细胞周期,就是细胞,一分为二的过程

耶鲁公开课 - 生物医学工程探索课程节选