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- Who is the boy in the official school cap? 那个戴校帽的男孩是谁？
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- The cap should twist off easily. 这个帽儿应该容易拧开。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Copper and gold are both metals. 铜和金都是金属。
- Winning the medal was a feather in his cap. 获得奖章是他的荣誉。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- He wore a cap with tabs over the ears. 他带一顶有护耳的帽子。
- Put the cap back on the toothpaste. 把盖子重新拧在牙膏管上。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- In lieu of carrying an umbrella, I wore a waterproof coat and cap. 我穿一件雨衣，戴一顶雨帽，就不用带雨伞了。
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Before I can give them an answer I'll have to put my thinking cap. 在我回答他们之前，我必须好好地思索一下。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。
