Electroluminor
电致发光磷光体
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
These clothes are too short, they need to be let down.
这些衣服太短了需要去改一下。
Thank you very much. It was nice to meet you.
非常感谢。见到你真高兴。