trench的中文意思、音标与词形变化

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

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