Cathodochromic
阴极射线致色的, 电子致色的
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Patience and application will carry us through.
忍耐和努力会使我们度过难关。
I'm from Canada.
我是加拿大人。