查询词典 pace back and forth

back to back diodes：背对背二极管

back surface field 背面电场 | back to back diodes 背对背二极管 | back wave 返波

back to front：背对面地杂乱无序的

back to back | 背对背, 紧接 | back to front | 背对面地杂乱无序的 | back to square one | 问题回到原态,并没有解决

back up block：支撑块

back to back houses 背对背房屋 | back up block 支撑块 | back up wall 背墙

Back-up light：倒车灯 Back wall 后围

Back-up buzzer 倒车报警器 | Back-up light 倒车灯 Back wall 后围 | Bad conductor 不良导体

backed bill：背书票据 backed bill 背书票据

360 1 back date 倒填日期,填早日期 back date 倒填日期,填早日期 | 361 1 backed bill 背书票据 backed bill 背书票据 | 362 1 back-end load 后期负担 back-end load 后期负担

backlog depreciation：欠提折旧 backlog depreciation 欠提折旧

362 1 back-end load 后期负担 back-end load 后期负担 | 364 1 backlog depreciation 欠提折旧 backlog depreciation 欠提折旧 | 365 1 back order 欠交订货 back order 欠交订货

back echo reflection：后回波反射 back radiation 反辐射

Babinet's principle 巴比内原理 | back echo reflection 后回波反射 back radiation 反辐射 | back-bent occlusion 后曲囚锢

in the back of：在...内的后面

back to back 背对背 | in the back of 在...内的后面 | on the back 在背面

背弃,抛弃;make waves=捣蛋,兴风作浪：I turned my back on him,because I didn't want to make waves. turn one's back on

'Cause you ain't a fish no more. ... | I turned my back on him,because I didn't want to make waves. turn one's back on=背弃,抛弃;make waves=捣蛋,兴风作浪 | My son's out there with a bull's-eye on his b...

back cone ; normal cone：背锥

背对背安装 back-to-back arrangement | 背锥 back cone ; normal cone | 背锥角 back angle

Going to Pubs：上酒吧小酌

Part V 夜生活篇 Nightlife | Unit 21 上酒吧小酌 Going to Pubs | Unit 22 看表演 Seeing Shows

simplified equation：简化方程式

secondary alcohol 仲醇 | simplified equation 简化方程式 | tertiary alcohol 叔醇