T 开头单词
toothbrush n.牙刷
toothbone 牙质
toothachegrass 芳香栉茅
toothache n.牙痛，牙疼
tooth-tip 齿顶
tooth-pick holder [经济学]牙签筒
tooth-paste n. 牙膏
tooth-brush n.牙刷
tooth-arrangement robot [计算机科学技术]排牙机器人
tooth wheel 齿轮
tooth wear 牙齿磨损
tooth vertical [机械工程]齿垂直面
tooth trace 齿线
tooth thickness [机] 齿厚
tooth taper 轮齿收缩
tooth surface [机] 齿面；轮齿表面
tooth shape 齿形；齿廓