Pathodontia
牙病学
🗣️ 情景例句
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
I think it's going to crack soon.
我认为它将很快杯打碎。
Here is another photograph of the village.
这是我们村庄的另一张照片。