type of bronze or other alloy formerly used in the manufacture of light cannons (since superseded by steel), 1540s, from gun (n.) + metal. Used attributively of a dull blue-gray color since 1905.
权威例句
1. Planes dropped bombs and raked the beach with machine gun fire.
飞机投下炸弹,并用机关枪扫射海滩。
2. The stationmaster pounced and wrestled the gun from him.
站长猛扑过去,奋力夺下他手中的枪。
3. The gun was fired and Beaton was wounded a second time.