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deciduous tooth (一般在出生后第6个月前后开始萌出,3岁左右出全。在上、下颌的左、右半侧各5个,即包括2个切牙、1个尖牙、2个磨牙,共计20个。6岁左右第1恒磨牙首先萌出替换乳牙。除第3恒磨牙外,14岁左右乳牙均被恒牙取代) | |||
milk teeth; temporary teeth | |||
deciduous teeth (milk teeth) | |||
deciduous teeth |
乳牙 : 20 phrases in 7 subjects |
Animal husbandry | 1 |
Dentistry | 5 |
General | 2 |
Life sciences | 1 |
Milk production | 1 |
Nursing | 6 |
Surgery | 4 |