den·ti·frice /ˈdɛntəfrəs/
牙粉,牙膏
den·ti·frice /ˈdɛntəfrəs/ 名詞
牙粉,潔牙劑
Den·ti·frice n. A powder or other substance to be used in cleaning the teeth; tooth powder.
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dentifrice
n : a substance for cleaning the teeth; applied with a
toothbrush