Panopticon
n. 圆形监狱, 展览室
🗣️ 情景例句
No problem. I'm glad to help.
小事情，我很高兴这样做。
How much is it?
多少钱？
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”