释义
n. 牙，齿；（工具边缘、梳子、锯、拉链等的）齿状物，齿；（官方组织、法律等的）威力，效力（teeth）；口味，爱好；粗糙面（颜料、胶水能黏附于上）
v. 给……装齿；啮合
词组短语
tooth profile
齿形；齿廓
tooth surface
齿面；轮齿表面
long in the tooth
岁口大的（马）；年迈的，年老的
tooth decay
蛀牙；龋齿；齵齿
tooth root
[医]齿根；[医]牙根
tooth shape
齿形；齿廓
tooth brush
牙刷
fight tooth and nail
v. 猛烈作战；拼命打
例句：
Shower every day, brush your teeth and wash your hair.
每天都要洗澡，刷牙，洗头。
When did she cut her first tooth?
她什么时候长出的第一颗牙？
Something as simple as toothpaste has at least three chemicals that keep your teeth clean.
哪怕像牙膏这种简单的东西也至少有三种化学成分来保持牙齿清洁。
