tooth 是什么意思?

世界杯足球直播

牙齿

each of a set of hard, bony enamelled structures in the jaws of most vertebrates, used for biting and chewing food.

示例:• He brushed his teeth twice a day.他每天刷两次牙。• The baby is cutting a new tooth.宝宝正在长新牙。同义词:fangtuskincisorcaninemolar