1、tooth，作为名词，意思是牙，牙齿，复数形式为teeth。
2、例句Brush your teeth thoroughly morning and night.翻译为：早晚要好好刷牙。
3、例句I had to have my tooth out.翻译为：我不得不拔了颗牙。
4、常见短语有：a broken tooth破损的牙齿诋危族枧；a missing tooth掉了的牙齿；a front tooth前牙；a back tooth 后牙；a false tooth假牙；a baby tooth乳牙。
5、例句The tooth he pulled out was his front tooth.翻译为：他拔的牙是他的门牙。
