To stand without moving and say 'Here it comes,there it goes,' as the clock's pendulum swings back and fore."

VOA: special.2011.03.05

Well, we say at the top of the loop, when it goes up and comes down the velocity is 0.

在曲线顶端,当物体上升,然后速度为0时候

耶鲁公开课 - 基础物理课程节选

So the timpani comes in and it goes crazy and comes back to the tonic at which point the trumpet takes over again.

然后定音鼓出现疯狂的转变,回到主音之后,小号再次出现

耶鲁公开课 - 聆听音乐课程节选

If a ligand comes and interacts with a receptor, it opens up; In the presence of this ligand, if the ligand goes away, it closes.

如果配体与受体相互作用,在配体存在的情况下通道打开,如果配体脱离,通道就关闭

耶鲁公开课 - 生物医学工程探索课程节选

suppose he builds some labrid tower, it's very impressive, and he says "Please show it to Mum " when she comes home" and he goes to bed.

假设他搭了一座尖塔，搭的非常漂亮，他说，“等妈妈回家了,让她看看哦“,然后他就去睡了。

耶鲁公开课 - 死亡课程节选

If you have your health, luck comes and goes and realize when you're doing really well that it's not just you. Then, when you're not, it's not just you either.

如果你很健康而且运气来来去去,当你做的很出色的时候你意识到不只是你很出色,当你不是很出色的时候，也不仅仅是你自己做的不好。

耶鲁公开课 - 金融市场课程节选