T 开头单词
toothbrush n.牙刷
toothbone 牙質
toothachegrass 芳香櫛茅
toothache n.牙痛，牙疼
tooth-tip 齒頂
tooth-pick holder [經濟學]牙簽筒
tooth-paste n. 牙膏
tooth-brush n.牙刷
tooth-arrangement robot [計算機科學技術]排牙機器人
tooth wheel 齒輪
tooth wear 牙齒磨損
tooth vertical [機械工程]齒垂直麪
tooth trace 齒線
tooth thickness [機] 齒厚
tooth taper 輪齒收縮
tooth surface [機] 齒麪；輪齒表麪
tooth shape 齒形；齒廓