Now, one of things I left hanging is, I said, OK, you build it out of primitives.

现在，我落下的一件事情是，我说过了，好的，你在原始数字之外建造它。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I keep saying I've got one thing hanging, it's the last thing I want to do, but I wanted you see how much of a difference this makes.

但是我想让大家先，明白这有多大的不同,首先让我们仔细的来看看。

麻省理工公开课 - 计算机科学及编程导论课程节选

The 5' carbon has a phosphate off of it and that phosphate is linked to the 3' carbon of the next one and they all have a base hanging off the side.

'碳的磷酸基,连接到下一个戊糖的3'碳部位,它们都有连接在一侧的碱基

耶鲁公开课 - 生物医学工程探索课程节选

Now DNA is a double helix and I've only shown you one part of the helix, right? I've shown you one upright strut and a base hanging off of it, but it forms a double helix because complementary strands of DNA strongly associate with one another and that's a very stable structure.

NA是双螺旋,我只是给你们讲了螺旋的一边,我给你们演示,一条链的支柱及碱基团,但其能构成双螺旋,是因为DNA是完全互补的两条链,彼此之间结合紧密,结构异常稳定

耶鲁公开课 - 生物医学工程探索课程节选