The mask is formed of a gold-platinum alloy inset with emeralds and other gems.

这张面具是由黄金和白金的合金制成，并镶嵌翡翠和其他宝石。

《柯林斯英汉双解大词典》

Platinum exceeds gold in value.

白金的价值高于黄金。

《新英汉大辞典》

South Africa is already the largest energy producer and consumer on the continent, and a top producer of gold, platinum and palladium.

南非已经是非洲最大的能源生产国和消费国，也是最大的黄金、铂和钯生产国。

youdao

But South Africa's leaders seem to believe that the country's mineral wealth - gold, platinum and diamonds, among others - will see it through its economic problems.

BBC: Viewpoint: Will South Africans' anger boil over?

The platinum-gold ratio, which shows how many ounces of gold are needed to buy an ounce of platinum, stood at 0.8644, a 27-year low.

WSJ: Platinum Signals Nagging Economic Worries

High-karat gold and platinum were prevalent throughout the show.

FORBES: 22 Jewelry Designs For The New Year