n. a ditch dug as a fortification having a parapet of the excavated earth
n. a long steep-sided depression in the ocean floor
n. any long ditch cut in the ground
v. fortify by surrounding with trenches
n. 渠, 沟渠, 战壕
vt. 在...开沟, 挖战壕于, 用战壕围住
vi. 挖战壕, 开沟
1. The soldiers dug a trench for protection during the battle.
士兵们在战斗中挖掘了一个壕沟以作保护。
2. We found a trench in the park where water collects after it rains.
我们在公园里发现了一个雨后积水的沟渠。
3. The archaeologists discovered a trench that dates back to ancient times.
考古学家发现了一个可以追溯到古代的沟渠。