humKK [hʌm] /hʌm/发音动词1哼唱、哼She hummed a familiar tune while washing the dishes.她一边洗碗一边哼著一首熟悉的曲子。2发出嗡嗡声、嗡嗡作响The old refrigerator hums all night in the kitchen.那台旧冰箱整晚在厨房里嗡嗡作响。3热络、活络、忙碌口语By ten o'clock the market was really humming with shoppers.到了十点,市场里人来人往,非常热络。名词1嗡嗡声、低鸣We could hear the steady hum of the air conditioner.我们可以听见冷气机持续的嗡嗡声。2哼唱声、哼声A soft hum came from the room next door.隔壁房间传来轻柔的哼唱声。3喧闹声、嘈杂声The hum of conversation stopped when he walked in.他一走进来,交谈的嘈杂声就停了。用这个字练口说→