gunmetal

noun

1. 炮铜，炮合金（铜、锡和锌的合金）
   a metal that is a mixture of copper , tin and zinc
2. 炮铜色；暗蓝灰色；铁灰色
   a dull blue-grey colour

1. Gunmetal grey paint on this mudroom's French doors adds contrast and enhances the feeling of height in the space.
   青灰色的法式门让这个门厅对比强烈，并且空间看起来了更高。
2. The whole watch is brushed with a dark gunmetal finish and an all black crystal face.
   整个观赏，是擦肩而过，一个深青铜整理和全黑色晶面。
3. Nowadays badges are stamped out of gunmetal.
   现在徽章是用模具从炮铜中冲压出来的。

noun

1. a type of bronze used for parts subject to wear or corrosion (especially corrosion by sea water)