preemptor
  獲優先購買權者,先取者
  Pre·ëmpt·or n.  One who preëmpts; esp., one who preëmpts public land.
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  pre-emptor
       n 1: someone who acquires land by preemption [syn: preemptor]
       2: a bidder in bridge who makes a preemptive bid [syn: preemptor]
  preemptor
       n 1: someone who acquires land by preemption [syn: pre-emptor]
       2: a bidder in bridge who makes a preemptive bid [syn: pre-emptor]