金币

例句：

1. 1.The gold coin is worth more than thesilver one.
   这个金币比那个银币值钱。
2. 2. He bought a gold watch for hiswife as a gift.
   他给妻子买了一块金表作为礼物。
3. 3. Goldis often used in jewelryand currency.
   黄金常用于珠宝和货币。