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- dig trenches for drainage 挖掘排水用的沟渠
- To dig trenches for protection. 挖沟壕来防护
- Students also helped dig trenches for the installation of white PVC pipe, though villagers are doing most of the digging. 学生们也帮忙挖沟渠来铺设安装白色的聚氯乙烯管子，虽然大部分的挖掘工作是村民在做。
- The soldiers fought in trenches for ten days. 士兵们在堑壕阵地上打了十天仗。
- We must dig trenches to drain the water away. 我们必须开沟排水。
- Don't dig trenches to drain the water away here. 不要在这里挖沟排水。
- Dig trenches to drain the water off/away. 挖沟排水。
- Dig trenches to drain away the water. 挖沟以排水。
- You should dig trenches to drain away the water. 你应该挖沟以便排水.
- The worker mend a trench for the new water pipe. 工人挖了一条沟敷为新水管.
- Make holes through the base to allow for drainage. 在地基中开洞，以便排水。
- The workmen dug a trench for the new water pipe. 工人挖一条沟放新水管。
- The workmendug a trench for the new water-pipe. 工人挖了一条沟敷设新水管.
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- The workmendug a trench for the new water pipe. 工人挖了一条沟敷设新水管.
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- They dig trench to keep the forest fire from spread. 他们挖沟以阻止森林大火蔓延。
- The forecastle deck will have small sheer for drainage. 艏楼甲板应该有小的舷弧用于排水。
- Do not build structures, furniture, or dig trenches. 不要打造建物、家俱或挖渠。
- They dug trenches to keep the forest fire from spreading. 他们挖沟以阻止森林大火蔓延。
