Metallochromy
金属(表面)染色
🗣️ 情景例句
You do a pretty good job on the Riverdale High School paper.
你在Riverdale高中校刊做得有声有色。
To start to work
开始工作
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。