1.
We must dig trenches to drain the water away.
我们必须开沟排水。
2.
The farmers dug ditches in the rain to lead away the flow.
农民们冒雨开沟排水。
3.
The commune members dug ditches in the rain to lead away the flow.
社员们冒雨开沟排水。
4.
They were busy trenching the fields for draining.
他们忙着在田里开沟排水。
5.
We dug trenches to drain away the dirty water.
我们开沟排去污水。
6.
A drainage passage, as to a culvert.
排水沟排水通道，如阴沟
7.
A gutter or groove in a roof.
排水天沟屋顶的槽或沟
8.
A channel at the edge of a ship's deck to drain away water.
舷侧排水沟轮船甲板边上排水的沟
9.
a ditch to carry extra irrigation water
排出剩余灌溉水的水沟
10.
The drains ran with fresh water.
排水沟里潺潺流着清水。
11.
ditch the land to drain it.
在陆地上挖沟渠来排水。
12.
drain inspection mirror of glass
玻璃制排水沟检查镜
13.
rotary drain cutter
旋转式排水沟挖掘机
14.
cast gutter of iron or steel
铸造排水沟,钢或铁制
15.
We must dig a trench to drain away the water.
我们必须挖一条沟排水。
16.
That ditch drains water from the swamp.
那条沟排出沼泽中的水。
17.
They are digging trenches to drain the water away.
他们正在掘沟排水。
18.
Leaves stopped up the drain.
落叶把排水沟都填满了。