Other people saying the treatment programs that have been scaled-up over the last number of years have been the best investments in building health systems, while also dealing with the AIDS epidemic, One of the major announcements expected at the 18th International AIDS conference is about a microbicide gel called CAPRISA 004.

VOA: standard.2010.07.15

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