The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities,from forming.

VOA: special.2009.03.11

PROFESSOR: No. So, compared to the atoms, it should be somewhat the same energy, we shouldn't get any extra stabilization from forming the molecule.

不会，所以和原子相比，它的能量相同，形成分子并不会带来额外的稳定性。

麻省理工公开课 - 化学原理课程节选

So, when we talk about memory, for instance, we'll talk about disorders in memory, including some disorders that keep you from forming new memories as well as disorders of amnesia where you forget the past.

比如说,当我们讨论记忆的时候,我们会讨论记忆障碍,包括了使你无法形成新鲜记忆的一些障碍,以及遗忘过去记忆的遗忘症障碍

耶鲁公开课 - 心理学导论课程节选

Hezbollah-led opposition to his cabinet choices kept him from forming a government and led to his resignation on September 7.

VOA: standard.2009.09.24

Now, from your book as well, this is the pz's of the two atomic orbitals forming the bonding orbital.

现在，也是你们书上，这是两个pz轨道,组成的成键轨道。

麻省理工公开课 - 固态化学导论课程节选

In forming his cabinet, Buchanan did not ask for advice from Senator Stephen Douglas of Illinois.

VOA: special.2009.05.14

So, if we have two atomic orbitals coming together from two different atoms and they combine, what we end up forming is a molecular orbital.

如果我们有两个,不同原子的原子轨道,而且它们组合到一起，我们最后就能得到一个分子轨道。

麻省理工公开课 - 化学原理课程节选