分离: 1.(分开) separate; sever; resolve; segregate; isolate; detach; dis(as)sociate; abstrict 短语和例子从空气中把氮分离出来 separate nitrogen from air; 男女生分离的教育制度 an educational system where boys and girls are
沟: 名词1.(挖掘的水道或工事) channel; ditch; gutter; trench 短语和例子交通沟 communication trench; 排水沟 drainage ditch; drain; 阴沟 drain; sewer; 挖一道沟 dig a ditch; 沟里的水不很清洁。 the water in the ditch is not very clea
