详细解释:vt. 先买, 先取
vi. 先发制人地叫牌
【法】 先取, 先占, 以占而取得先买权
词型变化：
形容词:preemptory名词:preemptor动词过去式:preempted过去分词:preempted现在分词:preempting第三人称单数:preempts异体字:pre-empt英语解释：
名词 preempt:
a high bid that is intended to prevent the opposing players from bidding同义词：preemptive bid, pre-empt