backbenches n.后座議員席；指英國(guó)下院中普通議員坐的后排坐席backbencher (n.) backbencher n.座于眾院后方席上隨聲附和的人backbench adj. 后座議員的 n. 后座議員席backbeat 基調(diào)強(qiáng)節(jié)奏backbeach n.后濱backbar n.支承梁；托梁backband 背圈backarena actioning [電子、通信與自動(dòng)控制技術(shù)]后盾處理backarc n.后??；弧后backalgia [醫(yī)] 損傷性背痛backadation [經(jīng)濟(jì)學(xué)]授受延期金backactor n.反鏟挖土機(jī)backacting shovel [機(jī)] 反鏟backacter n. 反鏟；[機(jī)] 反鏟挖掘機(jī)backache n.背痛；腰痛back-yards back-yardism [法] 排外主義back-yard n.后院; 常去之地；附近地區(qū)back-yand n.后院