n.发动机，引擎；工具；火车头；机车vt.给…安装发动机； 变形： 复数：engines过去式：engined过去分词：engined现在分词：engining第三人称单数：engines 双语释义：n.(名词)[C]发动机,引擎 a piece of machinery with moving parts which changes power from steam, electricity, oil, etc., into movement[C]火车头,火车机车 a machine which pul