查询词典 back-breaking

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

give back：归还

look back on回顾 | give back归还 | keep back隐瞒;忍住

Barbi didn't get back till after midnight：巴尔比直到午夜以后才回来

get back回来;恢复;取回;送回;带回: | Barbi didn't get back till after midnight. 巴尔比直到午夜以后才回来. | The soldiers ordered the mob to get back. 士兵命令滋事的人群离开.

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

go behind sb.'s back：在某人背后搞鬼, 背着某人搞小动作

give sb. the back 不再理睬某人, 舍某人而去 | go behind sb.'s back 在某人背后搞鬼, 背着某人搞小动作 | have...on one's back 背着, 驮着 受...攻击; 受...的责难; 被...不断地挑毛病

Fix, Unfix,Group,Ungroup：(固定, 不固定,成组, 不成组)

Align Components(元件对准) 79 | Fix, Unfix,Group,Ungroup(固定, 不固定,成组, 不成组) 80 | Select Net(选择线网) 80

glycol monoacetate：乙二醇一乙酸酯

glycol lubricant 乙二醇润滑剂 | glycol monoacetate 乙二醇一乙酸酯 | glycol monobenzyl ether 乙二醇一苄醚