That is important, that elements, because they are the building blocks, they combine in whole number multiples.

这很主要，元素，因为它们在组成区块，它们化合成整数倍。

麻省理工公开课 - 固态化学导论课程节选

Well, recall that very basic building block we introduced 1 last week which allowed you to grab a random number between 1 and 10 or 1 or a hundred.

好吧，让我们先回想一下上周介绍过的,能产生1~10之间，或者1~100之间随机数的1,基本构建块。

哈佛公开课 - 计算机科学课程节选