Eventually, what they did was to separate these lines into more discreet places, or more discreet pitches.

最终,他们更把这些曲调线分割,安排在更确切的位置上,或者说更确切的音高上

耶鲁公开课 - 聆听音乐课程节选

So, we're going to start with talking about bonding, and any time we have a chemical bond, basically what we're talking about is having two atoms where the arrangement of their nuclei and their electrons are such that the bonded atoms results in a lower energythan for the separate atoms.

那么，下面我们将从成键开始讲起，无论什么时候我们有一个化学键，基本上我们所讨论的,都是如何安排两个原子的原子核的位置,与电子的位置使得成键的两个原子,最终比分开时的能量更低。

麻省理工公开课 - 化学原理课程节选