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n.清扫；清除 （污染物）；清理；整顿 英英释义： cleanup[ 'kli:nʌp ]n.a very large profit同义词：killing(baseball) the fourth position in the batting order (usually filled by the best batter on the team)同义词：cleanup positioncleanup spotthe act of making something clean同义词：cleaningcl
