Dmft
[医][=decayed,missing and filled(permanent)teeth]龋牙，缺牙和充填（恒牙）
🗣️ 情景例句
What do you want to study?
你想学什么？
I'd like to make an overseas call to Taibei, Taiwan by collect call.
我要打对方付费的电话到台湾的台北。
How's everything?
一切还好吧？