"He should have said that he is ready to apply, to implement all the obligations that are necessary for the success of negotiations,"

VOA: standard.2009.11.26

He might spend an entire afternoon deliberating on which principle of categorization he should apply to files.

他可能花一整个下午研究,他应该给文件用哪种分类方法。

耶鲁公开课 - 心理学导论课程节选

So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.

那么，既然提到了共价键，我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。

麻省理工公开课 - 化学原理课程节选