Positioner
[化] 定位器
🏥 医学释义
定位器（牙），位置控制器
🗣️ 情景例句
I miss them very much.
我非常想他们。
The more a man knows, the more he see his ignorance.
大智若愚。
My dentist had just pulled out one of my teeth and had told me to rest for a while.
我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。