two or two and a half lectures, where I am going to be talking about the basic premises of this course.

两节或两节半课，我将会谈到,本课程的基本前提。

哈佛公开课 - 幸福课课程节选

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

If there are two people working together, there's about half as much work for each person to do.

如果有两个人一起工作,每个人大约只需要做工作量的一半

耶鲁公开课 - 博弈论课程节选

Here's what we're going to do for the next lecture and a half, two lectures.

这是我们下节课会讲的内容,半节课，两节。

耶鲁公开课 - 心理学导论课程节选

It adds fifty percent or a half to that and that means instead of two quarter notes that we now have three and we can do the same thing to any one of these other values here and that's how we get our triple relationships.

加上了百分之五十或者说一半的原音符值,这意味着除了有两个四分音符,我们现在有三个了,我们也可以在其他这些音符值后加上附点,这就是我们如何做到三倍形式的安排的

耶鲁公开课 - 聆听音乐课程节选

You can see that when you get out to the highest groups here, the highest weights, the relative risk is up at two and a half or three, so that would be a 200% increase in risk for cardiovascular death or two to three times the risk of death.

当我们看图上相对风险最高的这组,也就是体重最大的这组,这组的相对风险大约是2.5倍到3倍,即心血管疾病致死的风险增加了200%,或者说增加了2到3倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I've got two, I've got a year and a half left to sort of figure out exactly what I want to do.

我有两年，一年半的时间去思考我究竟想要怎么做。

要想成为事业家 - SpeakingMax英语口语达人

If you have a bond with an interest rate of 4.375% -that's not an easy one to divide by two but you would get half of that every six months until maturity.

如果你持有一种利率为4.375%的债券,这个数除以2有点难算,而在债券到期前,每半年你能得到4.375%一半的券息

耶鲁公开课 - 金融市场课程节选

If x was even, x divided by two is going to be actually the half of x, right?

如果x是偶数的话，x除以2当然,就等于x的一半了，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

That means, when I take two derivatives, I want to get a, then you should know enough calculus to know it has to be something like at^, and half comes from taking two derivatives.

也就是说,当我想求二阶导时,得到了a,你应该有足够的微积分知识,才能知道必须有类似at^的项,而这个1/2则是因为求了两次导数

耶鲁公开课 - 基础物理课程节选

But now if you have a twenty-ounce bottle, your cue for when the drinking event ends is completely different than when I was a child, and its two and a half times different then when I was child, and so people have become calibrated to what difference sizes are.

但现在如果你喝了一瓶二十盎司可乐,会觉得现在的饮用量,和我小时候已经完全不同了,是我小时候的2.5倍,人们已经校正了其中差异的大小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A to B is one distance, which is a large one, and B to C is only half that distance, and that's because of the way the Greeks laid this thing out with their two to one ratios, three to two ratios and so on.

到B是一个距离,比较大,而B到C只有半个距离,因为希腊人,用诸如二比一,三比二,之类的频率比来安排音阶

耶鲁公开课 - 聆听音乐课程节选