coppering

常见例句

• Copper conducts electricity better than other materials.
  铜比其他材料导电性能好。
• The chemical symbol for copper is "Cu".
  铜的化学符号是Cu。
• The copper has been burnished.
  铜已被抛光。
• What color is copper sulphate solution?
  硫酸铜溶液是什么颜色？
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