查询词典 behind sb.'s back

back to front：前后颠倒;透彻地

Back to back 背靠背 * | Back to front 前后颠倒;透彻地 * | All night long 整夜 *

back to front turns：由后向前转身

倒滑急停 back stop | 由后向前转身 back to front turns | 保护后方 back up

back track：由原路退回

back stretch 反向铺设水带 | back track 由原路退回 | back valve 止回阀

back up wall：背墙

back up block 支撑块 | back up wall 背墙 | back view 背视图

back vent：后叉

后背宽 across back | 后叉 back vent | 后袋 back pkt.

back vent：背通气管,(虹吸管的)顶背排气管

back valve 回动阀 | back vent 背通气管,(虹吸管的)顶背排气管 | back view 背视图,背面图,后视图

back yard industry：小型工业

46. back water pump 回水泵 | 47. back yard industry 小型工业 | 48. back-coupling condition 反馈耦合条件

back-call：第二次访问

back-busting 辛苦的 | back-call 第二次访问 | back-check 检查

back-end：[英俗]秋天

back down 放弃原来的立场[控告, 要求等] 降下 承认失言 | back end [英俗]秋天 | back into 倒车撞上(某物)

back-end：底

back EMF 反电动势 | back end 底 | back extrusion 反向挤出

Permanently mounted to American-made 3/4" hose bibb：永久安装在美国制造的3 / 4 "软管比伯

Features: 特点: | Permanently mounted to American-made 3/4" hose bibb永久安装在美国制造的3 / 4 "软管比伯 | Editorial Review: 编辑审查:

Exhale ,forward：呼,前屈

Bend your knees,inhale,reach up to utkatasana;屈膝,吸,双臂上举,幻椅式 | Exhale ,forward; 呼,前屈 | inhale, lift your spine, hands connected; 吸,伸展脊柱,手连接(地面或小腿)