常见例句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。 返回 trenching