He is sixteen now. In most families, the little brother follows the bigger ones around.

VOA: special.2009.06.19

And we still have the ones that we made in kindergarten when we were really little,

我们还保留着我们幼儿园时做的东西。

洛克菲勒中心的时光 - SpeakingMax英语口语达人

So, for example, if we look at sodium channels, and sodium channels are some of the particularly prevalent ones when we're talking about neurons, if you think about the cell membrane, and this little green cartoon is me trying to show a sodium channel here, and in this case, you can see that it's closed, such that no ions are getting through.

比如，让我们来看一下钠离子通道，钠离子通道是我们会经常遇到的几个之一,在讨论神经元的时候，如果大家想想细胞膜，而这个绿色的小示意图就是我用来表示,钠离子通道的，在这种情况下，大家可以看到它是关闭的，因此没有离子可以通过。

麻省理工公开课 - 化学原理课程节选

So, what about his accomplishments, besides the ones I've already mentioned, to which I will return in a little bit.

那么,彼得的成就有哪些呢,除了我已经提到过的那些,我等一会还会再提

耶鲁公开课 - 欧洲文明课程节选

You'll notice that there's a little bit of a difference in these equations here from the ones from the other day, which is that you have z squared value in there.

你们会注意到这里的方程,和我们那天的方程,有些小的不一样，这里有z平方。

麻省理工公开课 - 化学原理课程节选