whir
🇺🇸
/wɜːr/
🇬🇧
/wɜː(r)/
to make a sound like a machine moving
I could hear the fan whir quietly in the background.
我能听到风扇在背景中静静地嗡嗡作响。
a continuous, low sound made by a machine or a bird's wings
The gentle whir of the computer could be heard in the quiet room.
在安静的房间里,可以听到电脑发出的轻柔的嗡嗡声。