hum

• A hum of shrill voices reverberated against the low ceiling .
  低矮的天花板下回响着尖细嗓音的嗡嗡声。
• Flies hummed round mary's head in a cloud as she walked .
  玛丽一路走过去，苍蝇成群结队地在她头上嗡嗡地叫。
• My ears are humming .
  我耳鸣。
• The front door of the house was open and a hum of voices was audible .
  房屋的前门开着，可以听见一阵嗡嗡的人声。
• Bees hum .
  蜜蜂嗡嗡叫。
• He hummed and hawed for quite a while before he uttered a few words of comfort .
  他吭哧了好一会才说出几句安慰话。
• Bees moved, humming thoughtfully, from scarlet poppy to purple thistle .
  蜜蜂在鲜红的罂粟花和艳紫的蓟草花之间飞舞嗡嗡低吟。
• Bees moved, humming thoughtfully, from scarlet poppy to purple thistle .
  蜜蜂在鲜红的罂粟花和艳紫的蓟草花之间飞舞，嗡嗡低吟。
• His strong voice cut through the hum of conversation like a knife through butter .
  他那宏亮有力的声音一下子压倒了嗡嗡的谈话声。
• The factories hummed and the whole british nation toiled night and day .
  在工厂里机器之声震耳欲聋，整个不列颠民族夜以继日地辛勤劳动。