tooth的复数形式为teeth。tooth作为名词，是可数名词，基本含义有“牙齿”、“齿”、“牙”、“齿状部分”，引申义有“齿状物”、“梳子、锯、齿轮等齿”、“官方组织、法律等的威力”、“全副武装”等。
tooth的中文含义及用法介绍
tooth作为可数名词，意为牙齿;齿;牙;齿状部分。复数形式为teeth。例句有：
1、I've just had a tooth out at the dentist's.
我刚在牙科诊所拔了一颗牙。
2、She answered through clenched teeth .
她咬牙切齿地回答。
3、She had very pretty straight teeth...
她有一口漂亮整齐的牙齿。
4、The front cog has 44 teeth.
前齿轮有 44 个齿。
5、The opposition argues that the new council will be unconstitutional and without teeth...
反对派争辩说新委员会不但违反宪法，而且没有效力。
6、Both sides were armed to the teeth.
双方都全副武装。
7、Their voices set your teeth on edge.
他们的声音让你浑身不舒服。
8、He fought tooth and nail to keep his job...
他竭尽全力保住自己的工作。
9、This role gave her something to get her teeth into...
这一角色让她全情投入其中。
10、I was battling my way along the promenade in the teeth of a force ten gale...
我不顾十级大风沿着步行街挣扎前行。
