英语释义
1. a temporary tooth of a young mammal that in human dentition includes four incisors, two canines, and four molars in each jaw baby tooth, deciduous tooth
Whereas most mammals retain their milk teeth for months, some bat species lose these teeth soon after birth and have adult dentition even before they are weaned.
— Rick A. Adams and Scott C. Pedersen … a restless, rambunctious boy, who at the beginning of the year had lost two front milk teeth that still showed no signs of being replaced by adult ones.
— Edwidge Danticat
2. one of the first and temporary teeth of which humans grow 20
3. a temporary tooth of a young mammal especially one of the human dentition including four incisors, two canines, and four molars in each jaw which fall out during childhood and are replaced by the permanent teeth — called also baby tooth, deciduous tooth, primary tooth