Tarnishproof
a. 保持光泽的, 不变色的
🗣️ 情景例句
As a matter of fact,
事实上，
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
In the new country he became absorbed in making a new life for the two of us, so that he gradually ceased to grieve.
在这个新的国家里，父亲专心致志地为我们俩开创一种新的生活，慢慢地不伤心了。