preempt

名词 preempt:

1. a high bid that is intended to prevent the opposing players from bidding
   同义词：preemptive bid, pre-empt

动词 preempt:

1. acquire for oneself before others can do so
2. take the place of or have precedence over
   同义词：displace
3. gain possession of by prior right or opportunity, especially so as to obtain the right to buy (land)
4. make a preemptive bid in the game of bridge

1. The council found that their traffic plans had been preempted by a government decision.
   市议会发现他们的交通规划已因政府先行作了决定而无法推行。

preempt 或 pre-empt

v.（动词）
pre.empt.ed,pre.empt.ing,pre.empts
v.tr.（及物动词）
To appropriate, seize, or take for oneself before others.See Synonyms at appropriate
预先占有：先于他人而占用、占有或据为已有参见 appropriate

To take the place of; displace:
占据…的位置；取代：
例句：
A special news program preempted the scheduled shows.
特别的新节目取代预定计划的表演

To have precedence or predominance over:
优先于或支配…：
例句：
Discussion of the water shortage will preempt the other topics on this week`s agenda.
在这星期日程表上关于用水短缺的讨论将优先于其它议题

To gain possession of by prior right or opportunity, especially to settle on (public land) so as to obtain the right to buy before others.
以优先权取得：通过优先权利或机会以获得拥有权，尤指在（公地）上定居以此来取得先于他人的购买权
v.intr.Games （不及物动词）【游戏】
To make a preemptive bid in bridge.
桥牌中先发制人地叫牌

来源：
Back-formation from preemption
源自 preemption的逆构词

【引伸】
preemp.tor.
preemp.tory