Steroids are small molecules - much smaller than proteins - smaller molecules that tend to be hydrophobic or lipid soluble.

类固醇是小分子物质,比蛋白质小得多,这类小分子是非水溶性的,或者说是脂溶性的

耶鲁公开课 - 生物医学工程探索课程节选

They're small molecules that - whose principal function in the body is to carry signals from one cell in the nervous system to another.

它们都是小分子,在体内主要功能是在,神经系统内将信号,从一个细胞传导到另一个细胞

耶鲁公开课 - 生物医学工程探索课程节选

If God gathers up all those small molecules, that had composed my body, reassembles them in the right order and put these calci molecules next to that hydrogen molecules, so forth and so on, reassembles them in a right way.

如果上帝重组了所有构成我肉体的，微粒分子，将它们以正确的次序重组,把大量的钙生分子和,氢分子放在一起，组合起来，将它们以对的次序重组。

耶鲁公开课 - 死亡课程节选

So, we need a new kind of mechanics, which is quantum mechanics, which will accurately explain the behavior of molecules on this small scale.

所以我们需要一种新的力学，也就是量子力学,来解释在这个,小尺度下分子的行为。

麻省理工公开课 - 化学原理课程节选

We have either single atoms or molecules consisting of small numbers of atoms.

单原子或者分子,由很多很小的原子组成。

麻省理工公开课 - 固态化学导论课程节选

They're small molecules, they're lipid soluble, they can go from extracellular to intracellular.

它们是小分子,并且是脂溶性的,它们能从胞外进入胞内

耶鲁公开课 - 生物医学工程探索课程节选

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