One piece of equipment on Apollo Fourteen was a light-weight vehicle with two wheels.

VOA: special.2009.07.29

Right, and just to get a sense of this, let's look at a simple little example, so on your hand-out, you'll see I've got a little piece of code that says assuming I've got one of these points, I want to do things with it, for example I might want to add them together.

这些数组中的一个，你怎么能够知道，它是哪种类型的呢？,你怎么知道它是以笛卡尔坐标,表示的还是以极坐标,形式表示的呢？,你没有可以用来区分的东西，你没有说明这种信息,聚集实际上的意义。

麻省理工公开课 - 计算机科学及编程导论课程节选

And having seized this opportunity," that language, seized the occasion, seized this opportunity, "he had emplaced one morning in the piazza in two pieces, with a piece of wood and a bloody knife beside him.

而抓住这个机会“,这样的文字，抓住这个机遇，抓住这个机会，“一个早晨在广场上,他将两样东西安放在官员的旁边，一块木头,和一把沾血的刀子。

耶鲁公开课 - 政治哲学导论课程节选

I want to play this one with the piano a little bit and I ask you the name of the composer of this piece-- it's a bit less well known but maybe not-- what it's called and when in the history of music it was written.

我会用钢琴演奏一小段,然后我会问它的作曲是谁,这曲子有点不太知名,也说不准,它叫什么,在音乐史上是什么时期创作出来的

耶鲁公开课 - 聆听音乐课程节选