"Reaching for a cell phone when it's going off, you're nine times more likely to get into an accident than normally driving."

VOA: standard.2010.06.24

If your cell phone goes off during an exam, I come up there. I grab your paper, I tear it in half, and I give you a zero.

如果你的手机在考试时响起的话，我会上前，将你的卷子拿过来，撕成两半，给你零分。

麻省理工公开课 - 固态化学导论课程节选

But, from this moment forth, cell phone goes off, you're out. You leave the room, OK? And, Lord help you if a cell phone goes off during an exam because those things have text messaging capabilities.

但是，从这一刻开始，手机响的话，你们就出去，你们就离开教室，好吗，上帝保佑你的手机不要在考试期间响起,因为它们有发短信的功能。

麻省理工公开课 - 固态化学导论课程节选

It separates those duplicated chromosomes to two sides of the cell, physically separates them, and the cell itself pinches off to form two new cells.

双倍化的染色体,被分别拉向细胞的两边,物理性的分离了,细胞本身中央凹陷形成两个新细胞

耶鲁公开课 - 生物医学工程探索课程节选

All cell phones off and we will begin.

请大家关闭手机,我们要开始了

耶鲁公开课 - 聆听音乐课程节选

And Lord help you if a cell phone goes off.

如果你把手机关了的话，上帝会帮助你的。

麻省理工公开课 - 固态化学导论课程节选

One way that you could switch this on and off inside the cell is by taking off this phosphorous, proteins enzymes that do this opposite reaction, the opposite to kinases are called phosphokinases.

一种方法是通过去除磷酸基团,来改变细胞内蛋白的状态,催化添加磷酸基团,此逆反应的蛋白酶,能够催化逆反应的激酶叫做磷酸激酶

耶鲁公开课 - 生物医学工程探索课程节选

We want not only for the cell to be able to synthesize the DNA, you want it to be able to express the protein off the DNA as well.

我们不仅希望细胞能复制DNA,还希望它能表达目标DNA所编码的蛋白

耶鲁公开课 - 生物医学工程探索课程节选