Dmft
[医][=decayed,missing and filled(permanent)teeth]龋牙，缺牙和充填（恒牙）
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
When did you get married?
你什么时候结婚的？
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？