Now you could do a similar sort of thing, but instead of having a candle, you have a paddle wheel, and the paddle wheel is spun by a weight that's dropping from here to here.

那接下来可以做一件类似的事，但不再是蜡烛，我们将它换成一个桨轮，桨轮末端拴一个重物,它可以从这掉落到这。

麻省理工公开课 - 热力学与动力学课程节选

By terminal I mean they're only bonded to one thing.

我所说的末端的意思是它们只能与一个原子成键。

麻省理工公开课 - 化学原理课程节选

The parts at the end of the Y's are variable.

形的末端部分是可变的

耶鲁公开课 - 生物医学工程探索课程节选

When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.

它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的

耶鲁公开课 - 生物医学工程探索课程节选

It's a double stranded circular piece of DNA, meaning that the 3', 5'ends that hang off are joined back together again to form a continuous loop.

它是双链环状DNA,它的3'末端和5'末端首尾相连,构成一种连续环状结构

耶鲁公开课 - 生物医学工程探索课程节选

Because at the end of the Y, there's a special region of the antibody, the antigen-binding region, that is highly tuned for binding to the antigen that stimulated them.

因为Y形抗体的末端,是抗体上非常特殊的一个区域,即抗原结合区域,这一区域高度特异性地,用于结合激活免疫的抗原

耶鲁公开课 - 生物医学工程探索课程节选