tooth enamel
ریشه و کاربرد
ریشه
From Middle English 'tooth', from Old English 'tōþ', and 'enamel', from Old French 'esmail'.
مثال
- Tooth enamel can be damaged by acidic foods and drinks.
- Fluoride helps to strengthen tooth enamel.
- Tooth enamel is the hardest substance in the human body.
ترکیبهای رایج
Strengthen tooth enamel Damage tooth enamel Protect tooth enamel Loss of tooth enamel
تعریف انگلیسی
noun
- hard white substance covering the crown of a tooth