查询词典 drop back

It was a flatbed truck with three huge sewer pipes on the back, so I spent::: It was days：那是一辆拖车,后面有三根大管子

and back up, and we got a rid... | It was a flatbed truck with three huge sewer pipes on the back, so I spent::: It was days|那是一辆拖车,后面有三根大管子 | in the back of this truck, in a sewer pipe, ...

Back fill density：回填密度

Back filling 回填 | Back fill density 回填密度 | Back drain 牆背排水

back and fill：(船顺流而下时)不断地调整船帆使船蜿蜒前进(以避开障碍); 来来回回; 朝三暮四

back and edge 完全地; 全力地 | back and fill (船顺流而下时)不断地调整船帆使船蜿蜒前进(以避开障碍); 来来回回; 朝三暮四 | back and forth 来回; 往复

back and fill：看风驶帆前进

back anchor 副锚 | back and fill 看风驶帆前进 | back and fill 看风驶帆前进;用左右抢风法前进

back and fill：在狭窄水道逆风顺流用左右抢风法前进

back and fill 看风驶帆前进;用左右抢风法前进 | back and fill 在狭窄水道逆风顺流用左右抢风法前进 | back and forth 来回

back and fill to：看风驶帆;顺帆;逆风抢风

辅助锚 back anchor | 看风驶帆;顺帆;逆风抢风 back and fill to | 倒车;挖帆向上风;风依反时针转向 back to

We built banks to hold back the flood waters.; I could not hold him back：阻止,抑制,踌躇

E get hold of 抓住 Take/get/catch hold of the rope, and we'll pull y... | I hold back 阻止,抑制,踌躇 We built banks to hold back the flood waters.; I could not hold him back. | I hold on 握住不放 ,等会...

back reef：后礁

矿床顶 back of ore | 后礁 back reef | 后坡 back slope

back water：回水

back stroke 回程 | back water 回水 | back weight 平衡锤

back water：挡水!挡水!桨挡水!桨挡水

back voltage 逆电压 | back wash 退水浪花 | Back water! 挡水!挡水!桨挡水!桨挡水!

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.