Iron MikeWiktionary 原文英美释义专有名词proper noun1Nickname for various monuments commemorating servicemen of the United States military.名词noun1(slang, nautical) A gyrocompass.2(slang, nautical) An autopilot system.3(slang, baseball) A machine for pitching baseballs for practise purposes.4A military exercise with lunging and jumping motions.