Nowadays badges are stamped out of gunmetal.现在徽章是用模具从炮铜中冲压出来的.Gunmetal sheen of sundown bathes craggy terrain where the Rio Grande cuts a tortuous path.崎岖的山体被蜿蜒的里约格兰地河切断,在夕阳下呈现出暗灰色光泽....

n.炮铜（铜锡合金），青铜，炮铜色...

gunmetal的音标：gunmetal的英式发音音标为：['gʌnmetl]gunmetal的美式发音音标为：['ɡʌnˌmɛtl]...