The researchers say their findings support the idea that a huge explosion or explosions caused fire and pressure powerful enough to kill off life on the Earth.

VOA: special.2009.01.20

I start off, either I take this path and carry on, or I take that path and carry on, but each box, if you like, gets touched exactly once.

程序开始后，或者采取这条路径然后继续，或者采取那条路径然后继续，但是每个图形，如果你喜欢这么说的话。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can go on or you can go off and actually, how about some gratuitous use of technology?

你可以自由的开或者关，你认为这种有必要使用这种技术么？

哈佛公开课 - 计算机科学课程节选

Okay. Now take your hand on a chair or your notebook, your computer or whatever, and do syncopation off of that according to this pattern.

好的,现在用手拍椅子,或者笔记本,电脑,随便什么,来按照这个模式做切分音

耶鲁公开课 - 聆听音乐课程节选

I couldn't have told you, for example, if we look at a phosphate group, that that's going to be incredibly important in DNA, that it's also an incredibly important group when you're dealing with proteins and whether you're turning the function of a protein on or off.

怎么和化学反应相联系起来的，更不记得其它我更不感兴趣的规律,我不能告诉你，如果我们看磷酸盐,它们对于构成DNA十分重要,也是构成蛋白质的重要组份,它是否能打开或关闭一个蛋白质的功能。

麻省理工公开课 - 化学原理课程节选