“铜”造句
它们有哑
铜的，古
铜的和镀银的。
They are available in polished brass, antique brass or silver-plate.
萨尔瓦多每年生产10万吨纯
铜。
El Salvador produces 100,000 tons of refined copper annually.
他用
铜、不锈钢和银制造装饰性器皿。
He makes decorative vessels in copper, stainless steel and silver.