preempt + noun
preempt后直接跟名词，表示抢先获得某物。
The company preempted the deal by offering a higher price.
该公司通过出更高的价格抢先达成了这笔交易。
取代；优先于；取得优先购买权；先买（尤其指土地）；抢先占有。；取代或替换(因优先级更高等)。；先发制人,预防或抢先行动。
to get or take something for yourself before anyone else can
抢先占有。
To appropriate first.
取代或替换(因优先级更高等)。
To displace or take the place of (by having higher precedence, etc).
先发制人,预防或抢先行动。
To prevent or beat to the punch, to forestall an expected occurrence by acting first.
通过优先购买权获得(土地等)。
To secure (land, etc.) by the right of preemption (purchasing before others, e.g. land because one already occupies it).
在桥牌中作先发制人叫牌。
To make a preemptive bid at bridge.
一般现在时
He preempts the competition.
他抢先于竞争对手。
抢先；取代
The station preempted the sitcom to broadcast the mayor's press conference.
电视台取消了情景喜剧的播出，转而直播市长的记者会。
用法提示：preempt 作及物动词，过去式，表示“优先于、取代”，后接被替换的节目。
An urgent client request preempted our lunch break.
一个紧急的客户请求挤掉了我们的午休时间。
用法提示：preempt 在此表示“优先于、挤掉”，作及物动词，主语为占据优先地位的事物。
The teacher warned that mobile phones should never preempt real conversations.
老师告诫说，手机绝不应取代真正的交谈。
用法提示：preempt 用于 should 后作动词原形，表示“取代、优先于”，强调不应发生的替代。
preempt后直接跟名词，表示抢先获得某物。
The company preempted the deal by offering a higher price.
该公司通过出更高的价格抢先达成了这笔交易。
from引出被抢先的对象。
They preempted the land from other buyers.
他们抢在其他买家之前先买了那块地。
preempt后接动名词，表示抢先做某事以避免不利后果。
He preempted being fired by resigning first.
他先发制人地辞职，以免被解雇。
grammar · medium
易错句子We need to preempt.
正确表达We need to preempt them.
preempt是及物动词，后面必须跟直接宾语，不能单独使用。中文学习者可能受汉语‘先发制人’用法影响而省略宾语。
grammar · medium
易错句子She preempted on his plan.
正确表达She preempted his plan.
preempt是及物动词，直接跟宾语，不需要介词on。误加介词可能是受到汉语‘抢先于某人’中‘于’的介词影响。
precede强调时间或顺序上在前，而preempt强调抢先获得或取代
prevent强调阻止某事发生，而preempt强调抢先行动以阻止他人
preemptive是形容词，修饰名词，而preempt是动词，直接动作
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