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- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- He'll never pay up unless you get tough with him. 你对他态度强硬，他才会还清债务。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- You need to be tough to survive in the jungle. 要在丛林中活下来就要有坚忍不拔的意志。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- This tube is flexible but tough. 这管子柔软但很坚固。
- The company faces tough competition. 这家公司面临着艰难的竞争。
- Conditions are rather tough here. 这里条件比较艰苦。
- Copper and gold are both metals. 铜和金都是金属。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- She won't last long in that job it's too tough. 她做那件工作坚持不了多久--那工作太困难。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
- 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
- It's time to get tough with football hooligans. 现在该对足球迷小流氓采取强硬措施了。
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- He lives in a tough neighborhood. 他住的地区邻里非常粗野。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- A spell of tough luck discouraged us. 一阵坏运气令我们大为沮丧。
