VERB
(機器、昆蟲翅膀等)發出呼呼聲，嗡嗡作響
When something such as a machine or an insect's wing whirrs, it makes a series of low sounds so quickly that they seem like one continuous sound.
例句
The camera whirred and clicked.
相機發出嗡嗡聲和咔嚓聲。
...the whirring sound of the film projector.
電影放映機的嗡嗡聲