[ gǎi ] Ⅰ动词 1.(改变) change; transform 短语和例子 改了主意 change one's mind; 改荒山为果园 transform barren hills into orchards; 我们将把日期改到3月28日。 we'll change the date to march 28th. 英国于1971年2月15日改用十进位币制。britain converted to decimal currency on february 15th, 1971.2.(修改) revise; alter; modify 短语和例子 删改 amend and correct; 批改 comment on and correct; 改煤灶 make alteration in an oven3.(改正) rectify; correct 短语和例子 痛改前非 thoroughly rectify one's errors; 改错 correct mistakes4.(改换, 后接动词) switch over to (doing sth. else) 短语和例子 改种水稻 switch over to growing rice; 你下一站得改乘无轨电车。 you'll have to change to the trolleybus next stop.Ⅱ名词 (姓氏) a surname 短语和例子 改产 gai chan