查询词典 back up

answer back key：回答键

回答装置 answer back device,ABD | 回答键 answer back key | 回答机构 answer back mechanism

back armhole：后袖窿,后夹圈

32--across back shoulder 总肩 | 33--back armhole 后袖窿,后夹圈 | 34--half back belt 半腰带

back armhole：后夹圈

后幅 back panel | 后夹圈 back armhole | 后浪 back rise

back armhole：后袖窿

32. 总肩宽 across back shoulders | 33. 后袖窿 back armhole | 34. 后腰节 back waist band

have sb. at one's back：有某人在背后支持, 有某人撑腰; 被某人追捕

get one's own back on sb. [口](向某人)报复, 复仇 | have sb. at one's back 有某人在背后支持, 有某人撑腰; 被某人追捕 | in the back of [美口] 在...背后; 支持, 主使

have sb. at one's back：有...支持, 有...作后台

65. at one's back 支持,维护; | have sb. at one's back 有...支持, 有...作后台 | 66. turn one's back on sb.不理睬,背弃,抛弃

have sb. at one's back：以某人做靠山

26 behind one's back 背着某人;暗地里 | 27 have sb. at one's back 以某人做靠山 | 28 turn one's back on sb. 掉头不理睬;拒绝帮助别人

at the back of：在...的后面

come back 回来 | at the back of 在...的后面 | on the way (back)home 在回家路上

back away：逐渐后退

back and forth (前后)来回地,往返 | back away 逐渐后退 | back down off 放弃,让步,退却

back away：退回,撤出

Back 背部,衬垫,靠板 | Back away 退回,撤出 | Back cover 后盖

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛