Dmft
[医][=decayed,missing and filled(permanent)teeth]龋牙，缺牙和充填（恒牙）
🗣️ 情景例句
You two belong on stage! That was wonderful!
你们俩简直是职业演员！ 读得太棒了！
Do you have a ball point pen?
你有圆珠笔吗？
Some of the things were hundreds of years old.
展出的一些东西已有数百年的历史了。