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- The chemical symbol for copper is "Cu". 銅的化學(xué)符號是Cu。
- What color is copper sulphate solution? 硫酸銅溶液是什么顏色？
- 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? 硫酸銅溶液是什么顏色？
- 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
- Ornamental copper pans hung on the wall. 墻上掛著(zhù)裝飾性的銅盤(pán)。
- This mountain road leads to the copper mine. 這條山路通向那個(gè)銅礦。
- Brass is an alloy of copper and zinc. 黃銅是銅和鋅的合金。
- We fuse copper and tin to make bronze. 我們把銅和錫熔制成青銅。
- They will mine copper there in the valley. 他們將在那邊的山谷開(kāi)采銅礦。
- Brass is formed by the fusion of copper and zinc. 黃銅是由銅和鋅熔合制成的。
- Copper conducts electricity better than iron does. 銅的導電性比鐵強。
- A large cooking pot made of copper or often of iron. 金屬鍋用銅或鐵鑄成的大煮鍋。
- The fusion of copper and zinc makes the metal brass. 銅和鋅的熔化制成黃銅。
- Copper conducts electricity better than other materials. 銅比其他材料導電性能好。
- Copper conducts electricity better than other materials do. 銅的導電性能比其他材料好。
- The coppersmith faced the iron bar with copper. 這銅匠把銅涂在鐵條上。
- An alloy of zinc and copper used as imitation gold. 銅鋅合金作為仿金品使用的銅鋅合金
- The shop sells copper vessels of all shapes. 這家商店出售各種形狀的銅器皿。
