“釉质”造句

釉质是身体中最硬的组织最富于钙质.
Enamel is the hardest structure of the body and the richest in Calcium.

洗牙会对牙釉质造成伤害 吗 ?
Does the meeting that wash a tooth cause harm to enamel?

采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.
The enamel surface microhardness was measured by a Leitzs microhardness tester.

• #釉质