1、teeth是名词，是tooth的复数形式，意思是牙，牙齿。例如 Brush your teeth thoroughly morning and night.早晚要好好刷牙。I had to have two teeth out.我不得不拔了两颗牙。
2、常见的短语有：broken teeth破损的牙齿。missing teeth掉了的牙齿。front teeth前牙。back teeth后牙。false teeth假牙。brush teeth 刷牙。baby teeth 乳牙。
3、例如The teeth he pulled out was his two front teeth.他拔的牙是他的两颗门牙。
