扑杀的英文：
cull
v. 精选；采集（鲜花等）；剔除
n. 剔出来杀掉的动物；拣出的等外品
To sort out;cull.
挑选，精选
The cull of smaller American banks will continue.
对美国较小银行的剔除将继续下去。
Big business culls the brightest from among college graduates.
大企业从大学毕业生中选拔最优秀的人材。
They are then taken back to the slaughterhouse, where workers cull them and excise their livers.
然后它们会被送回屠宰场，那里的工人会进行精选，并切除它们的肝脏。
Family data can be used most simply by an approach which employs an individual culling level
使用家系资料最简单的办法，就是采用一独立的选拔标准。