Phosphorogen
磷光激活剂; 磷光增强剂
🗣️ 情景例句
The rainy season lasted until July.
雨季一直持续到7月。
How much is this carpet per square yard?
地毯每平方码要多少钱？
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。