platinum
n[U]
(chemistry 化) greyish-white metallic element that does not tarnish, used to make jewellery and, esp in alloys with other metals, in industry 铂; 白金
a sapphire in a platinum setting 白金托镶著的蓝宝石. =>App 10 见附录10.
🗣️ 情景例句
I'll go down to Henry's grocery. He's always open.