英语词汇“permanent tooth”是什么意思，“permanent tooth”的读音、用法及例句翻译-烛光网

词汇	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
随便看	old-timer Old Turkic Olduvai Gorge Old Welsh oldwife oldwives old wives' tale Old World old-world oldy old–fashioned old–field colt old–fields colt old–line old–man cactus old–man's–beard old–man–and–woman old–time old–timer old–world ole- -ole -ole olea olea

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