Phosphorogen
磷光激活剂; 磷光增强剂
🗣️ 情景例句
Shall I tell him you called?
我告诉他你来过电话，好吗？
The offer isn't subject to prior sale.
本报盘以货物未售出为条件。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！