交流: 1.(彼此把自己有的供给对方) exchange; interflow; interchange 短语和例子交流经验 exchange experience; draw on each other's experience; 交流计划 exchange programme; 城乡物资交流 flow of goods and materials between city an
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;