Electroluminor
电致发光磷光体
🗣️ 情景例句
but we have to get going
但我们必须走了，
I have come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。
Here you are But you mustn't come home after a quarter past eleven.Do you hear?
拿去。但你不能超过11点1刻回家。听见了吗？