secondary teeth

 
  • 恒齒

secondary teeth的用法和樣例:

例句

  1. He is cutting his permanent teeth.
    他正在長恒齒。
  2. The first permanent molars are emerging in the oral cavity without precursory teeth and often mistaken as primary teeth.
    摘要恒牙第一大臼齒是口腔內長出的第一顆恒齒,這顆牙齒并未取代任何乳牙,故家長往往誤認為乳牙而忽視它。
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