Avoid gold-plated or silver-plated navel piercing jewelry as they are more likely to cause irritation.

避免镀金或镀银的肚脐穿孔首饰，因为它们更容易引起发炎。

youdao

For one, the Italy-made ring is plated with either 18K gold or silver, and there are five options for the gemstone: blue topaz, opalite, onyx, sapphire and ruby.

首先，这款意大利制造的戒指镀有18K金或银，此外还有五种宝石供买家选择，分别是蓝色托帕石、不纯蛋白石、缟玛瑙、蓝宝石和红宝石。

youdao

They wore some 30 different uniform styles, each with a different color piping on the jacket and cap, and decorated with elaborate gold or silver-plated wire on the shoulder board.

FORBES: Collecting Evil