This in turn could reduce the number of undernourished people by as much as seventeen percent.

VOA: special.2011.03.22

If you have a large number of atoms in an aggregate, it is going to require that the substance turn solid and condense at room temperature.

如果有很多原子进行聚集，在室温下,会使的物质转变成固体状态。

麻省理工公开课 - 固态化学导论课程节选

Let's turn to a piece of Beethoven now, his Symphony number Six, the Pastoral Symphony.

让我们现在来听一点贝多芬，他的第六交响曲，田园交响曲。

耶鲁公开课 - 聆听音乐课程节选

But recent public opinion polls show that a growing number of Americans disapprove of his handling of the health care issue, and that in turn has emboldened Republicans trying to block reform efforts in Congress.

VOA: standard.2009.09.02

Well I need to take that number and I'm going to turn it into a string. So notice what I'm going to do right here. I take that number and convert it into a string. That's an example of that type conversion we did earlier on. By doing that it makes it possible for me to treat it as an ordered sequence of characters.

我可能得把这个数字变为字符串,请注意我这里是怎么做的,我把这个数字,转化为字符串了,这是我们之前学过的,类型转换的例子,这么一来我就能把它按照有序的。

麻省理工公开课 - 计算机科学及编程导论课程节选

U.S.officials acknowledge that, even if the situation in Afghanistan begins to turn during the next 12 months, the U.S.withdrawal will likely be very gradual, and some number of international troops will be needed in Afghanistan for many years to come.

VOA: standard.2010.07.22

Over there ... You turn on your radio, your car radio, to your FM classical music station and what number approximately would you go to?

那边的同学,你打开汽车里的收音机,调到古典音乐频道,然后你通常会调到哪个电台呢

耶鲁公开课 - 聆听音乐课程节选