"downy," late 15c., from nap (n.1) + -y (2). Meaning "fuzzy, kinky," used in colloquial or derogatory reference to the hair of black people, is from 1950.
权威例句
1. Avoid changing a nappy unless it's dirty or very wet.
除非尿布脏了或非常湿,否则别换。
2. He needs his nappy changed.
他的尿布该换了。
3. I'll change her nappy.
我要给她换尿布。
4. To the British, however, he word " napkin " or " nappy " actually means " diaper. "