/drəʊn ||; dron/verb [I] to make a continuous low sound 发出连续不断的低沉声音；嗡嗡响: the sound of the tractors droning away in the fields 田野里拖拉机的轧轧声 drone on to talk in a flat or boring voice 以低沉单调的声音说话: We had to listen to the chairman drone on about sales for hours. 主席以低沉单调的声音讲销售问题，我们不得不听上几个小时。 drone noun [sing]