coppering

常见例句

• Copper conducts electricity better than other materials.
  銅比其他材料導電性能好。
• The chemical symbol for copper is "Cu".
  銅的化學符號是Cu。
• The copper has been burnished.
  銅已被拋光。
• What color is copper sulphate solution?
  硫酸銅溶液是什麽顔色？
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