To attack and destroy with more nuclear force than necessary.

过度杀伤(用过量的核子武器攻击或破坏)。

The capability of destroying an enemy or target with a nuclear force larger than is required.

过强杀伤力(核子武器以过度的威力杀伤敌人)。

An excess of something (as a quantity or an action) beyond what is required or suitable for a particular purpose.

过度热衷；过份。