breech
n.（名词）The lower rear portion of the human trunk; the buttocks.臀部：人体躯干的略靠下的后部；屁股breeches breeches Trousers extending to or just below the knee.马裤：长至膝盖或刚没膝盖的裤子Informal Trousers.【非正式用语】 裤子The part of a firearm behind the barrel.炮尾：武器的枪炮炮管后面的部分The lower part of a pulley block.滑车组较低的一部分
来源：Middle English brech 中古英语 brech from Old English brôc [pl. of] brôc [leg covering] ; akin to Gaulish br3ca [hose, trousers] 源自 古英语 brôc [] brôc的复数 [腿的覆盖物] ；类似于 高卢语 br3ca [短裤，长裤]
