英语词汇permanent tooth怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	permanent tooth
释义	permanent toothn.（名词） One of the second set of teeth in mammals that grow as the milk teeth are shed. Human beings have 32 permanent teeth.恒齿，恒牙：哺乳动物的第二套牙齿之一，它是在乳牙脱落时生长起来的。人类有三十二颗恒牙
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