permanent tooth

 
       
  • n. 固齿;永久齿
new

permanent tooth的英文翻译是什么意思,词典释义与在线翻译:

英英释义

Noun:
  1. any of the 32 teeth that replace the deciduous teeth of early childhood and (with luck) can last until old age

permanent tooth的用法和样例:

例句

用作名词 (n.)
  1. The exfoliation of the deciduous teeth is mainly brought about by resorption of their roots and enhances by growth and eruption of the succeeding permanent teeth.
    总而官之,乳牙之所以会脱落主要在于它们的根部会发生吸收,而其下正在萌出的永久齿则增进了它在根部进行吸收的工作。
今日热词
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