查询词典 trace back

Back nine：后洞

Back door"走**"推杆(球从球洞后沿进洞) | Back nine后洞 | Back side洞球场的后洞

back-to-back arrangement：背对背安装

保持架 cage | 背对背安装 back-to-back arrangement | 背锥 back cone ; normal cone

back-to-back arrangement：背向排列

"后退分段(熔接)次序","backstep sequence" | "背向排列","back-to-back arrangement" | "背托","back-up"

back-to-back arrangement：背对背柏靼

保持架 cage | 背对背柏靼 back-to-back arrangement | 背锥 back cone ; normal cone

back-to-back testing：背对背测试

back-scattering 反向散射 | back-to-back testing 背对背测试 | backbone cabling 主干线布线,主干布线

back space：退格符

back sight 过天顶测天瞄准器 | back space 退格符 | back space 退格

back space key：凿孔条倒退键

back slope || 后坡 | back space key || 凿孔条倒退键 | back space || 退位, (打字机)退格, 返回

back space file：回退文件

back space ==> 退位 | back space file ==> 回退文件 | back span ==> 反向间隔=>後ピッチ

Safe in the back seat：后面更安全

- we're fine back here. - Back's fine.|- 我们坐后面很好 - 后面就行 | Safe in the back seat.|后面更安全 | - Oh, my God. - what's up?|- 哦,天啊 - 怎么了?

back-to-school goods：学生用商品

back-to-front ratio ==> 反-正比 | back-to-school goods ==> 学生用商品 | back-track algorithm ==> 回溯算法

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.