making coins造句

例句与造句

1. they invented paper money in the ninth century a . d . the government began using paper notes as money because there wasn't enough copper to make coins
   他们在西元在9世纪发明了钞票，政府开始使用纸币当成钱因为没有足够的铜来制造铜币。
2. It's difficult to find making coins in a sentence. 用making coins造句挺难的