电动: motor-driven; power-driven; power-operated◇电动摆 motor pendulum; 电动扳手 electric wrench; 电动泵 motor-driven [electric] pump; 电动车 electric [electrically operated] motor car; electric power cart;
锤: Ⅰ名词1.(一种古代兵器) a metal ball with a handle or chain, used as weapon; mace2.(秤坨; 像锤的东西) weight 短语和例子秤锤 steelyard weight; 平衡锤 balance weight; 调节锤 governor weight3.(锤子) hammer 短语和例子大锤 sledge-ha
