So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.

如果一个东西在一秒,内经历了五个波长，我们就说这个波的,频率是每秒5次。

麻省理工公开课 - 化学原理课程节选

I like to go to Korea. I went, I've been five times so far, usually during the summer.

我喜欢去韩国。我至今为止已经去过5次了，大部分是在夏天。

学习外语的原因 - SpeakingMax英语口语达人

Actually it's not 40, I think these are, 75 alright. So the answer is 75 and the number of calls is 1.7 million.

实际上不是4，我觉得，好了，所以答案是5,调用次数是1百70万次。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

Listen, the two periods in American history 1945 1890 to 1945 The economy suffers 3 contractions of 5 percent, 15% 2 of 10, and 2 of almost 15 percent.

听好，美国历史上的两大时期,第一时期是从1890到5,经济遭受过三次紧缩率为5%的经济紧缩，两次10%，还有两次高达。

斯坦福公开课 - 经济学课程节选

Alright, that's 5 comparisons.

次。

哈佛公开课 - 计算机科学课程节选

5 recursive calls to get there.

5次递归调用,才得到这个答案。

麻省理工公开课 - 计算机科学及编程导论课程节选