trenchn.沟;沟渠;战壕v.挖沟;侵占
trencher capn.学士帽;学位帽
trenchploughn.深耕犁
trench mouthn.[医]战壕口腔牙龈炎
trench plain海沟平原
trench spoil挖沟弃土
trench-hoe挖沟机
trench cover沟盖板
trench brace槽撑
trench fevern.[医]战壕热;五日热
trench fault沟状断层