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- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- 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。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- 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
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- 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。
