al.ter `ɔltɚ;ˈɔ:ltə <<及物动词>> 1 变更, 更改; 改建 alter one's project 更改计画 2 修改衣服 The pair of pants is too large; they must be altered. 这条裤子太长非修改不可 3 阉割, 去势, 割去卵巢 <<不及物动词>> 更改, 改变 Helen has altered a great deal since I saw her two years ago. 海伦现在和我两年前看到她有很大的改变