whir
🇺🇸
/wɜːr/
🇬🇧
/wɜː(r)/
to make a sound like a machine moving
I could hear the fan whir quietly in the background.
我能聽到風扇在背景中靜靜地嗡嗡作響。
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.
在安靜的房間裡,可以聽到電腦發出的柔軟的嗡嗡聲。