On average, each adolescent reported using some kind of media five and one-half hours a day.

VOA: special.2009.03.10

And this whole note obviously can be subdivided into two half notes and each of the half notes into two quarter notes each of these quarter notes into two eighth notes, and so on.

这个全音符,很明显,可以再分为两个半音符,每个半音符又可以再细分为两个四分之一音符,每个四分之一音符可以再分为两个八分之一音符,等等

耶鲁公开课 - 聆听音乐课程节选

you would probably spend at least an hour or an hour and a half on each floor.

每层楼你大概要看一个或者一个半小时。

大都会艺术博物馆 - SpeakingMax英语口语达人

Half of you did above average on the Midterm; half of you did below average on the Midterm, but if I went up and asked each of you why the answers would not be symmetrical.

你们当中有一半人期中考得比平均分高;,有一半期中考得比平均分低，但如果我去问你们为什么,答案会各有不同呢。

耶鲁公开课 - 心理学导论课程节选

> So now that might not have felt like the fastest algorithm but think about what you could have done with that algorithm in each iteration, much like the phonebook up front here, you literally split that problem in two because on each iteration roughly half of you were sitting down and then another half and then another half.

虽然这并不是最快的算法,但如果把这种算法每次迭代,就像刚才查电话簿一样，你便将这个问题一分为二了,因为每一次迭代后只有一半坐下来,以此类推。

哈佛公开课 - 计算机科学课程节选