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.