- (使)改变；变换；改革；更改：
Flyovers have changed the face of the city.
立交桥改变了城市的面貌。
- 更换；替换：
She changed her clothes rapidly.
她迅速地更换了衣服。
- 交换；调换：
He went back to the shop and changed that shirt for a larger one.
他返回商店把那件衬衣调换成一件大一些的。
He changes letters with a foreign friend.
他与一位外国朋友通信。
- 兑换，把…换成：
He changed a five-dollar bill for five single ones.
他把一张5美元的钞票兑换成5张一美元的钞票。
I changed my dollars into francs.
我把我的美元换成了法郎。
- 给(床)换床单；给(婴儿)换尿布；给(病人等)换衣服：
She changes the beds every morning.
她每天早晨(给床)换床单。
She changed the baby every two hours.
她每两小时给婴儿换一次尿布。