translation.en: We have to go a little beyond that. Now let me explain why vibrational theory has some sort of interest in it. These molecules, as you saw in the beginning, the building blocks had springs connecting them to each other.
translation.zh: 我们需要进一步深入 现在我来解释 为什么震动理论有一定的道理 这些分子 正如你们开始时看到的 是基本组成 它们之间有弹簧连接着