常見例句The chemical symbol for copper is "Cu". 銅的化學(xué)符號(hào)是Cu。What color is copper sulphate solution? 硫酸銅溶液是什麼顔色？Copper and gold are both metals. 銅和金都是金屬。Copper has less resistance than lead. 銅的電阻比鉛的小。What color is copper sulfate solution? 硫酸銅溶液是什麼顔色？A copper coin formerly used in India and Pakistan. 安那舊時(shí)在印度和巴基斯坦使用的銅幣 返回 copperize