Positioner
[化] 定位器
🏥 医学释义
定位器（牙），位置控制器
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
My dorm is segregated; but we have weekend parietal hours.
我的宿舍是隔离的，但是，周末有一起相处的时间。
No creature has received more praise and abuse than the common garden snail.
没有一种生物所受到的赞美和厌恶会超过花园里常见的蜗牛了。