heart attacks,strokes,heart failure increases probably five to ten times greater than it does over just a few hours of exposure."

VOA: standard.2010.08.04

So, if there is one section of the lecture that I went a little too quickly for, you could say, gee, if I could just see that five minutes, you could click on it, zoom into that five minutes, play it a few times, and then say, I still don't know what he's talking about.

所以，如果有那节课,我上得过快，你可以说，天啊，我多希望我能看到那5分钟，你就能点击它，选择那五分钟，播放几次，然后说，我还是不知道他在说什么。

麻省理工公开课 - 固态化学导论课程节选

Yeah, I've been here a few times. It's really good.

去过，我去那儿几次了。那里真的很不错。

推荐鱼卷 - SpeakingMax英语口语达人

In the past few months, the cost of wheat and sugar has more than doubled they say, and cooking gas, in constant short supply, can cost three times as much as it did a few months ago.

VOA: standard.2010.04.20

You keep on doing it a few times but then you say, " "Fine. It doesn't work," but what if it gave you money one out of every hundred times?

你接着又试了几次，然后你说，“破机器，坏了“,但如果你每投一百次它才会吐出一次呢？

耶鲁公开课 - 心理学导论课程节选

This was eventually taken out, and actually just for your interest, there was no overlap between the time when cocaine was in Coca Cola and lithium was in 7-Up, so there was a few years difference between those two times, but it's amazing to think about what does go into processed foods.

锂最终被去掉了，如果你感兴趣的话，可口可乐中含有可卡因,与七喜中含锂的时代,并没有交集，它们之间还差了几年，但是想一想加工食品里,会加入什么东西还是很令人吃惊的。

麻省理工公开课 - 化学原理课程节选

Now it didn't entirely end, and there were some South Carolinians and Georgians who wanted to re-open it, and a few folks out in Louisiana, who wanted to re-open it at numerous times in the antebellum period, especially in the late 1850s.

但在当时它并没有完全结束,有些南卡罗来纳人和格鲁吉亚人,仍想重新开放它,在路易斯安那州还有一小群人,这些人在内战前曾无数次,企图重新开放这个市场,尤其是十九世纪五十年代末

耶鲁公开课 - 美国内战与重建课程节选