trench
/trentʃ; trɛntʃ/ n
ditch dug in the ground, eg for drainage or to give troops shelter from enemy fire 沟;渠; 堑壕; 战壕
irrigation trenches 灌溉渠
The workmendug a trench for the new water-pipe. 工人挖了一条沟敷设新水管.
[attrib 作定语]
trench warfare 堑壕战. trench, v [Tn] dig a trench or trenches in (the ground) 在（地）上开沟或挖战壕.