trenching

挖沟, 挖沟工作,掘壕掩埋法

Investigators found a trench containing human remains. 调查人员发现一条沟中有人的尸体。

I forgot to dig a trench around the tent. 我忘了在帐篷四周挖一条沟。

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。