柯林斯詞典rolled gold 1. N a metal, such as brass, coated with a thin layer of gold, usually of above 9 carat purity. It is used in inexpensive jewellery 包金 (Also called (US) filled gold) 返回 rolled gold劍橋詞典jewellery made of cheap metal covered with a thin layer of gold 包金首飾 返回 rolled gold