milk tooth

noun

1. 乳齿；乳牙
   any of the first set of teeth in young children that drop out and are replaced by others

1. 奶牙;乳齿
   Your milk teeth are the first teeth that grow in your mouth, which later fall out and are replaced by a second set.

1. Coming second in the survey is the myth that when your milk teeth fall out, if you put them under your pillow, the tooth fairy will replace them with sixpences.
   第2大谎言，如果你的乳牙掉了，你只要把脱落的牙齿放在枕头下，再花上6便士，那么牙齿仙女就会将这些牙重新安回你的嘴里。
2. Objective To popularize of atraumatic restorative treatment ( ART) adapting to children and summarize the treating effect of ART in treating milk tooth and molar caries.
   目的：推广适应儿童的非创伤性充填技术（ART），总结应用ART治疗乳磨牙龋病的临床效果。

noun

1. one of the first temporary teeth of a young mammal (one of 20 in children)

   Synonym:    primary toothdeciduous toothbaby tooth