Humans have two sets of teeth, the deciduous dentition of childhood, which fall out and are replaced by the permanent dentition of adulthood.
人类有两套牙齿,儿童时期的乳牙会脱落,并被成年时期的恒牙齿列所取代。
单词 | permanent dentition |
例句 |
原声例句
2017级专外有声 Humans have two sets of teeth, the deciduous dentition of childhood, which fall out and are replaced by the permanent dentition of adulthood. 人类有两套牙齿,儿童时期的乳牙会脱落,并被成年时期的恒牙齿列所取代。 |
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