Definition: a continuous sound like a bee makes Level: C2
我能听到一只苍蝇在我耳边的嗡嗡声。
I could hear the ___buzz of a fly near my ear.
我正在工作时，开始听到一种嗡嗡声，声音越来越大。
I was working when I started hearing a kind of ___buzz, that was getting louder and louder.
冰箱持续的嗡嗡声很烦人。
The constant ___buzz of the refrigerator was annoying.
