Tarnishproof
a. 保持光泽的, 不变色的
🗣️ 情景例句
I don't know why I didn't think of it.
我不知道为什么我没有想到这一点。
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
What are you doing, Mum?
妈妈，你在干什么？