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- Copper is also employed in the alkaline Bemberg rayon process. 铜也用在碱性本姆伯人造丝生产中。
- 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？
- Rayon rank second only to cotton as the most widely used fiber. 人造丝是仅次于棉花的使用得最广泛的织物。
- A fabric of sheer silk or rayon. 薄绸一种极薄的丝绸或人造丝织物
- 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。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- 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
- A closely woven silk or rayon fabric with narrow horizontal ribs. 罗缎有窄的横棱纹的一种丝或人造丝的紧密织物
- 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。
- Silk is distinct from rayon in every respect. 在各个方面真丝跟人造丝截然不同。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- 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。
- A slightly ribbed, woven fabric of silk, cotton, or rayon. 罗缎一种半透明紧密织物，由丝、棉或人造丝织成
- A sturdy, tightly woven fabric of cotton, wool, or rayon twill. 华达呢结实紧密的棉毛织品或人造丝斜纹布
