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preemptive
01
预防性的, 先发制人的
done before something else happens to prevent a problem or danger
Example
The army took a preemptive action to stop the enemy before they attacked.
军队采取了先发制人的行动，以阻止敌人在袭击之前。
She bought insurance as a preemptive measure against future accidents.
她购买了保险作为防范未来事故的预防性措施。
