Dentinal
牙(本)质的
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
Good children make glad parents.
孩子好，父母笑。
I am familiar with the casual atmosphere in the company.
我对公司中这种放松的氛围感到很熟悉。