So what that means is the compiler is actually going to first "cast" so to speak 13 from whatever it is - to a float -- to a floating point value -- and then perform the division for us.

所以这里的意思是编译器将,做“计算“，譬如13这样一个浮点数,-到另一个浮点数-,然后为我们处理除法。

哈佛公开课 - 计算机科学课程节选

It happens in, I think, April and last year we had Snoop Dogg come perform, so that was really cool.

时间就是在四月份。去年，史努普·道格还来我们的音乐会表演，场面非常火爆。

校园生活 - SpeakingMax英语口语达人

Poetry, you remember--this is a scientist-- is no more true than religion, but it can perform the function of religion and is therefore capable of saving us.

科学家曾说过-,诗歌并不比宗教更真实，但是诗歌具有宗教的作用,并因此可以拯救人类。

耶鲁公开课 - 文学理论导论课程节选

So this could be summarized as the law of effect, which is a tendency to perform an action's increased if rewarded, weakened if it's not.

这种行为上的变化被称之为效果律，也就是说，行为倾向随奖励而增加，随惩罚而减少。

耶鲁公开课 - 心理学导论课程节选

So having said that about musical notation-- something about a cautionary tale about musical notation-- we should think about how it affects the way we compose music in the West and how we perform music in the West.

讲完记谱法的一些,足以为戒的故事之后,我们也该想一下,它是如何影响西方音乐的作曲方式的,以及如何影响西方音乐的演奏方式

耶鲁公开课 - 聆听音乐课程节选

But here's a new and improved, I think, version of increment; ++ returns nothing, takes nothing, but it does perform plus plus, but I did something stupid.

但这里是一个新的，改进了的increment版本;,没返回值，没输入值，但它执行的是，但是我做了件愚蠢的事情。

哈佛公开课 - 计算机科学课程节选