And we can do the same thing with, well, we're going to do it with nitrogen in a minute, but this is a case where we have two atoms sharing electrons.

然后同样的，我们也可以很快的对氮气进行类似的处理，但是这是共用电子,的双原子例子。

麻省理工公开课 - 固态化学导论课程节选

to make sure that it's going to be a comfortable pair of shoes that last me a long time.

来保证这双鞋很舒服而且可以穿很久。

不需要名牌 - SpeakingMax英语口语达人

So I've removed the comments, the things that start with slash slash from the slides just so you have an opportunity engage more intellectually rather than just reading the answers off the screen.

我把注释去掉了，那些双斜杠,右边的文字,所以这样你你们可以做一些思考,而不是阅读屏幕上的答案。

哈佛公开课 - 计算机科学课程节选

But since in drawing Lewis structures actually, in some cases you do, you can draw a dotted line that means a 1 and 1/2 bond, but most in most cases, we just draw out both resonance structures, and the way that we say it's a resonance structure is that we put it in the brackets and we put an arrow between it.

但是由于在画路易斯结构时,其实，在某些情况下是可以的，你可以画一条虚线来表示一又二分之一键，但是在多数情况下，我们就把两个结构都画出来，而我们说这是一个共振结构的表示的方法是,把它们放在括号里，并在中间放一个双箭头。

麻省理工公开课 - 化学原理课程节选

You can do that by gently adding heat and making it basic, but you make the two DNA strands separate.

你可以通过逐渐加温并使之碱化的方法,使双链DNA解旋

耶鲁公开课 - 生物医学工程探索课程节选

And then they have like, you can bring your binoculars or the telescope thing where you look through.

你还可以带上你的双筒望远镜，或是使用公园里的单筒望远镜，仔细欣赏风景。

河滨公园 - SpeakingMax英语口语达人

putting it with regular clothes to make it dressed down. But you can dress it up with heels.

跟日常的衣服搭在一起，显得随意一点。不过，你可以搭双高跟鞋。

推荐购物街 - SpeakingMax英语口语达人

It turns out to activate RNA interference, you deliver double stranded RNA.

要激活RNA干扰效应的话,可以将双链RNA转进细胞

耶鲁公开课 - 生物医学工程探索课程节选

That tells you something about the physical chemistry of the molecule; that it's these hydrogen bonds that hold the double strands and I can break those down under certain conditions.

我们从中可以知道一些,DNA分子的理化特点,双链是由氢键连接在一起,在一定条件下这些氢键可以断裂

耶鲁公开课 - 生物医学工程探索课程节选