engines的中文意思、音标与词形变化

n. 火车头；发动机, 引擎（engine的复数形式）

n motor that converts thermal energy to mechanical work n something used to achieve a purpose n a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks n an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.