Dioptra
测量高度及角度用的一种光学装置
🗣️ 情景例句
Going swimming should be a good way of letting your hair down after a hard day's work.
游泳是在辛苦了一天后放松自己的好方法。
What is the way to the theater?
哪一个方向是去戏院的？
Yes, that's right.
你说对啦。