新生恒牙neoformative: 新結構的; 新生的; 新生物的extraction of permanent tooth: 拔除恒牙permanent tooth bud: 恒牙胚permanent tooth eruption: 恒牙萌出premature eruption of permanent tooth: 恒牙早萌下載手機詞典可隨時隨地查詞查翻譯