查询词典 shuttle back and forth

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.

be behind one's back：背着某人说坏话

生病卧床 --- be on one's back | 背着某人说坏话 --- be behind one's back | 不理,看不起,背弃 --- to turn one's back on

behind sb.'s back：背着某人, 背地里(常带贬义)

be thrown on one's back (在摔跤比赛中)被摔倒两肩着地; 被打得大败 | behind sb.'s back 背着某人, 背地里(常带贬义) | break sb.'s back 使其负担过重而不能胜任 使某人失败[破产]

behind sb.'s back：背着某人,暗中

Back up 支持 | Behind sb's back 背着某人 暗中 | Turn one's back on 轻视 不理睬

Hammond postulate：哈蒙德假说

Microscopic reversibility 微观可逆性 | Hammond postulate 哈蒙德假说 | Linear free energy 线性自由能

oil price：油价

oil paint 油漆 | oil price 油价 | oil shale 油页岩