a gold medal为什么不能说a golden medal

a gold medal为什么不能说a golden medal 金牌为什么是gold medal 而不是golden medal To get a golden medal ,______. winning a gold medal 英文作文 Is the athlete have a gold medal? 一枚金牌.可以直接这么说吗?a gold medal she won a gold medal in the c ( ) She was a gold medal (win)at the last O Death Exemption Gold Medal gold medal可不可数 won a silver medal 翻译 It is the first time that a Canadian _____a gold medal in a