in AM, usually use 美国英语通常用 preemptive
- ADJ 先发制人的;抢先的
A pre-emptive attack or strike is intended to weaken or damage an enemy or opponent, for example by destroying their weapons before they can do any harm.
- ...plans for a pre-emptive strike against countries that may have biological weapons...
先发制人打击可能拥有生物武器的国家的计划 - In a pre-emptive move the Interior Ministry arrested a number of suspected dissidents.
内政部抢先行动,逮捕了许多持不同政见的嫌疑人。