嗡嗡叫

例句：

1. 1. The bees are humming around the hive.
   蜜蜂在蜂巢周围嗡嗡作响。
2. 2. He hummed a tune to himself as he walked.
   他边走边哼着曲子。
3. 3. The hum of traffic in the city is always loud.
   城市里交通的嘈杂声总是很响。