V-I When something such as a machine or an insect's wing whirs, it makes a series of low sounds so quickly that they seem like one continuous sound. 发出嗡嗡声
The camera whirred and clicked.
相机发出嗡嗡声和喀嚓声。
N-COUNT/SOUND Whir is also a noun. 嗡嗡声
He could hear the whir of a vacuum cleaner.
他能听到吸尘器的嗡嗡声。
The arm whirs forward, then stops, then goes again, then suddenly pulls back.
手臂向前，然后停止，然后又向前，又突然拉了回来。
The arm whirs forward this time, reaching the ball. The fingers clench around it.
Hemmes深呼吸了一下，这次手往前进到了球的位置，手指稳稳的抓住了球。
I heard all kinds of weird chirps and whirs coming out of it, which was very distracting and irritating. Needless to say, I was not pleased.
我可以听到各种奇怪的刮擦声和呼呼的风声，搞得我心烦意乱，不用多说，我跟本不满意。
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