Extinctivity
消光率; 熄灭率
🗣️ 情景例句
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
Who wrote that song?
那支歌曲谁写的？
There, on the floor. Is it your ticket?
那儿，地板上！是你的票吗？