milk tooth
US /ˈmɪlk tuːθ/
UK /ˈmɪlk tuːθ/

1.
乳牙
a temporary tooth in a child's first set of teeth
:
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My daughter lost her first milk tooth today.
我女儿今天掉了第一颗乳牙。
•
Children usually have 20 milk teeth.
儿童通常有20颗乳牙。
乳牙
a temporary tooth in a child's first set of teeth