查询词典 pace back and forth

back-end whip：(活套的)甩尾

back end crops切尾 | back end whip(活套的)甩尾 | back extrusion逆向挤压、反挤压

Back-up light：倒车灯

Back-up buzzer 倒车报警器 | Back-up light 倒车灯 | Back wall 后围

Back-up protection：后备保护

61 Back-up over-speed governor 附加超速保护装置 | 62 Back-up protection 后备保护 | 63 Back-up ssystem 后备继电保护

Back-up protection：备用保护装置

back up plate 推靠板 | back up protection 备用保护装置 | back up store 后备存储器

Back-up buzzer：倒车报警器

Back squab 靠垫 | Back-up buzzer 倒车报警器 | Back-up light 倒车灯

back-up valve：升压阀[在低的环境温度下,为了降低空冷式冷凝器的能力,以维护一定排气压力的设施]

back-up 备用品[零件,设备] ;支持[撑] | back-up valve 升压阀[在低的环境温度下,为了降低空冷式冷凝器的能力,以维护一定排气压力的设施] | back valve 单向阀,止回阀

back-up area：备用堆置场

back up 垫板,背撑,(铸造用语)填背砂 | back up area 备用堆置场 | back up battery 后备电池

backdoor listing：借壳"上市;"买壳"上市

back tax 补缴税款 | backdoor listing "借壳"上市;"买壳"上市 | back-to-back credit 对开信贷

bagged cargo：貸裝貨

2.Back haul 回程托運 | 3.Bagged cargo 貸裝貨 | 4.Back to back charter在傭船契約與主傭船契約之條款完全一致

be on sb's back"=be ill in bed：卧病在床

He is such a bore,I should like to see the back of him. 他那么烦人,我真愿意他走掉. | 2."be on sb's back"=be ill in bed 卧病在床 | He was on his back for three months. 他卧病在床三个月.

Minstrel Show：化装黑人乐队的演出

show cause 提出正当理由 | minstrel show 化装黑人乐队的演出 | medicine show 走江湖卖药

punctual aspect：準時式;準時體;一次體

punched card 穿孔卡片 | punctual aspect 準時式;準時體;一次體 | punctuation 標點符號用法