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
He's an extremist, and quite fanatical.
他是个极端分子,非常狂热。
She's always helping people.
她总是帮助别人。[现在进行时]
A run-down watch is still a watch and can be rewound.