- 释义：
- v. 先占；取代；先取，先发制人
- 例句：
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The Clean Water Act expressly provides that it does not preempt more stringent state law.
《洁净水法案》明确规定,该法并不先占更为严格的州法律.
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They do not preempt the land surface that is useful for other purposes.
它们不预先占用对其它目的有用的地面.
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I advised him against it, because to preempt his own deadline might confuse our adversaries.
我建议他不要这样做, 因为他在自己提出的最后期限之前就抢先采取行动,可能使我们的敌人莫名其妙.
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