Antifluorite
反萤石
🗣️ 情景例句
We had a good day.
我们今天玩得很开心。
It is a silly goose that comes to the fox's sermon.
只有呆鹅才去听狐狸说教。
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下