Positioner
[化] 定位器
🏥 医学释义
定位器（牙），位置控制器
🗣️ 情景例句
Please, you sit by the window.
你请靠窗坐。
A penny saved is a penny gained.
省一文是一文。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。