英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

结果

Tombac的结果

Tombac (n.)
An alloy of copper and zinc, resembling brass, and containing about 84 per cent of copper; -- called also German, / Dutch, brass. It is very malleable and ductile, and when beaten into thin leaves is sometimes called Dutch metal. The addition of arsenic makes white tombac.