无经济支持的母亲们是申请福利的群体中人数增长速度最快的一部分。

Unsupported mothers are one of the fastest-growing groups of welfare claimants.

《柯林斯英汉双解大词典》

在这里，一张张的声音、重拍的重音、重复和极快的速度是每个独奏的一部分，他的乐句形状的变化是独特的。

Here the sheets of sound, downbeat accents, repetitions, and great speed are part of each solo, and the variety of the shapes of his phrases is unique.

youdao

那是因为大型生物的繁殖速度十分缓慢，所以只要除去象群中的几头年轻的母象，它们的数量就会大幅的下降。

That's because very large animals have a slow rate of reproduction, so all you have to do is remove a few young females from the herd, and you can, fairly quickly, significantly reduce the population.

youdao

It's a unique piece because what he does is take some very basic patterns and simply repeats them over and over and over again for about fourteen and a half minutes depending upon the tempo that the conductor is taking the music.

这是件独特的作品,因为他仅仅只是把一些基本的样式,简单地重复重复再重复,大概十四分半钟,当然这也取决于,演奏者的演奏速度

耶鲁公开课 - 聆听音乐课程节选