94生活常识网有道词典

permanent tooth

P 开头单词

常见例句

    用作名词 (n.)

  • 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。
    • 返回 permanent tooth