您要查找的是不是：
- He sat out the bombardment in the trench. 他在壕沟内一直坐到炮轰停止。
- I forgot to dig a trench around the tent. 我忘了在帐篷四周挖一条沟。
- The soldiers fought in trenches for ten days. 士兵们在堑壕阵地上打了十天仗。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
- They are digging irrigation ditches. 他们在挖灌溉渠。
- They toiled all day digging the trench. 他们整天艰苦地挖壕沟。
- The soldiers recaptured their trench. 兵士夺回了战壕。
- The troops received orders to trench the outpost. 部队接到命令在前哨周围筑壕加强防卫。
- irrigation trenches 灌溉渠
- A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line. 沟渠，排水沟，水道在地面上狭长的沟渠或细沟，用于灌溉、排水或用作分界线
- Irrigation is needed to make crops grow in dry regions. 干旱地区需要灌溉才能使作物生长。
- They dug trenches to keep the forest fire from spreading. 他们挖沟以阻止森林大火蔓延。
- Irrigation is needed to make crops grow in dry area. 要使庄稼在乾旱地区生长就需灌溉。
- Grandfather was in the trenches during the First War. 在第一次世界大战中，我祖父驻守在法国北部前线。
- Irrigation is needed to make crops grow in dry areas. 要使庄稼在乾旱地区生长就需灌溉。
- Water is channelled through a series of irrigation canals. 把水引入一系列灌溉渠中。
- Investigators found a trench containing human remains. 调查人员发现一条沟中有人的尸体。
- Orders came that we should spade the trench in an hour. 有命令要我们必须在一小时内挖好战壕。
