Antibiotics are chemicals, usually small organic molecules that will kill micro-organisms like bacteria.

抗生素是一类化学物质,它们通常是小分子有机物,能够杀死细菌这样的微生物

耶鲁公开课 - 生物医学工程探索课程节选

So, for example, just talking about hydrogen cyanide or the cyanide anion, these are both molecules which are used in organic synthesis, so particularly the cyanide anion and salts of the cyanide anion.

那么，比如，就拿氰化氢,或者氰离子来说，它们都是用于有机合成的分子，特别是氰离子和氰离子的盐。

麻省理工公开课 - 化学原理课程节选

This is a convention that organic chemist's use when they're describing molecules like this.

这种称谓是一种惯例,是有机化学中描述像这样的,大分子时使用的

耶鲁公开课 - 生物医学工程探索课程节选

A lot of the examples that we're going to give you in terms of trying out your Lewis structures will be molecule that are used in organic synthesis, or maybe they're molecules that react in interesting ways with biomolecules in your body or proteins in your body.

很多我们将要用来,训练路易斯结构的例子,都是在有机合成中用到的分子，也有可能是那些在你体内的生物分子,或者蛋白质中发生有趣反应的分子。

麻省理工公开课 - 化学原理课程节选