coin gold

例句：

1. 1.The old man spent his last coin ona new watch.
   老人用他最后的一枚硬币买了一块新的手表。
2. 2. Thecoins were scattered all overthe floor.
   硬币散落在地板上。
3. 3. He kept his gold coins in asafe at home.
   他把他的金币放在家里的保险箱里。