Variopter
(滑动)光学计算尺
🗣️ 情景例句
It's the way it should be.
本该如此。
I'm afraid I spilled coffee on the tablecloth.
对不起，我把咖啡洒到桌布上了。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。