bolter
n.（名词）A horse given to bolting.脱缰马One who gives up membership in or withdraws support from a political party.脱党者：放弃党籍或拒绝支持某一政党的人
bolter
bolter 2
n.（名词）A machine used for sifting, especially for sifting flour.筛粉机：用于筛粉的机器，尤用于筛选面粉One who operates a sifting machine.筛粉者：操作筛粉机的人
