1. 牙粉：toothpick 牙签 | toothpowder 牙粉 | tooth scaler 刮牙器
noun
1. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
1. a dentifrice in the form of a powder
Synonym: tooth powder