So, if you'd like to switch into one of these three, they have very low numbers right now.

如果你们想要更改去上这三个课程，还有些名额。

麻省理工公开课 - 固态化学导论课程节选

And if you are prepared to stand up for about two and a half to three hours to watch a play,

而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，

莎士比亚环球剧院 - SpeakingMax英语口语达人

I have to think about three positive features of somebody so I think about my girlfriend.

我要想出某人的三个优点,于是我就去想我的女朋友。

耶鲁公开课 - 心理学导论课程节选

And he went back to see them three months later, six months later.

三个月后，他再去访问他们，六个月后再去。

哈佛公开课 - 幸福课课程节选

And she has to catch a flight, and you know the flight is going to leave in three hours and she's taking her time.

她马上得去赶飞机，你知道飞机在三个小时后就要起飞了。可她还在磨磨蹭蹭。

Make sure 课堂 - SpeakingMax英语口语达人

And,when I once took the train over to Poitiers,it took three hours, because if you go across the lines it's not good.

由此我坐火车去普瓦捷,会花三个小时,因为穿过省界的话是很不合适的

耶鲁公开课 - 1871年后的法国课程节选

Well, it's going to take me under three hours to get to Brussels.

去布鲁塞尔花了我不到三个小时。

方便的欧洲之星 - SpeakingMax英语口语达人