Dentalloy
牙合金
🗣️ 情景例句
Certainly. Do you have any identification?
当然可以。你有任何证明文件吗？
Have you had breakfast yet?
你吃过早餐了吗？
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。