Photoreconversion
光致再转换
🗣️ 情景例句
Ping-Pong tables, soda machines, and lots of music.
乒乓球， 汽水贩卖机， 热闹的音乐。
I would have gone on the picnic if it hadn't rained.
如果没下雨，我就去野餐了。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。