whirr + adverb
常与 softly、loudly 等副词连用，描写机器、风扇等持续发出的嗡嗡声。
The computer fan whirred softly.
电脑风扇轻轻地嗡嗡作响。
使嗡嗡作响；使发出嗡嗡声；（豹等）满足时发出呼噜声；使(某物)移动或振动并发出嗡嗡声。；发出嘶嘶的嗡嗡声或低沉的嗡嗡声。；使(某物)发出这样的声音。
to make a continuous buzzing or droning sound
使(某物)移动或振动并发出嗡嗡声。
To move or vibrate (something) with a buzzing sound.
发出嘶嘶的嗡嗡声或低沉的嗡嗡声。
To make a sibilant buzzing or droning sound.
使(某物)发出这样的声音。
To cause (something) to make such a sound.
(豹)满足时喉咙发出振动声,很像家猫的呼噜声。
(of a panther) To make a vibrating sound in its throat when contented, much like the domestic cat’s purr.
一般现在时
The fan whirs quietly in the corner.
风扇在角落里静静地呼呼作响。
一般过去时
The machine whirred to life as soon as I pressed the button.
我一按下按钮，机器就呼呼地启动了。
现在进行时
The bees are whirring around the hive.
蜜蜂在蜂箱周围嗡嗡地飞着。
规则动词，表示持续的低沉旋转声
The computer fan began to whirr as soon as I turned it on.
我一打开电脑，风扇就开始嗡嗡作响。
用法提示：whirr 在此作不及物动词，表示发出连续的嗡嗡声。
The old projector whirred loudly throughout the film.
那台旧投影仪在整个电影播放过程中响亮地嗡嗡作响。
用法提示：whirred 是 whirr 的过去式，描述持续发出嗡嗡声的动作。
I could hear the washing machine whirring in the next room.
我能听到隔壁房间的洗衣机在嗡嗡作响。
用法提示：whirring 是 whirr 的现在分词，与 was/were 等搭配表示正在进行的嗡嗡声。
常与 softly、loudly 等副词连用，描写机器、风扇等持续发出的嗡嗡声。
The computer fan whirred softly.
电脑风扇轻轻地嗡嗡作响。
用进行时表示嗡嗡声正在持续。
The air conditioner is whirring in the next room.
空调正在隔壁房间嗡嗡作响。
作及物动词时表示使某物发出嗡嗡声，宾语多为机器或玩具。
The boy whirred the toy helicopter.
男孩让玩具直升机嗡嗡作响。
grammar · medium
易错句子The old projector whirr loudly throughout the film.
正确表达The old projector whirred loudly throughout the film.
英语过去时要给动词加 -ed，whirr 的过去式是 whirred，并双写 r；汉语没有时态屈折，容易保留原形。
grammar · medium
易错句子The whirr fan kept me awake all night.
正确表达The whirring fan kept me awake all night.
修饰名词作定语要用现在分词 whirring；不能用动词原形 whirr 直接放在名词前，汉语“嗡嗡响的风扇”用动词短语，容易直译。
grammar · medium
易错句子The fans whirs loudly in the office.
正确表达The fans whir loudly in the office.
主语 fans 是复数，一般现在时要用动词原形 whir；-s 只用于第三人称单数，汉语没有主谓一致，容易误加 -s。
buzz 多指蜜蜂、苍蝇等昆虫或人群发出的持续、略带嘈杂的嗡嗡声，常含活跃、烦人的意味；whirr 则侧重机器、马达、风扇、翅膀等旋转或振动时平稳连续的低声嗡鸣。
hum 强调低沉、单调而平稳的连续声，可用于机器运转，也可指人闭口哼歌；whirr 更强调旋转或振动产生的、带轻微嘶嘶感的机械嗡鸣，不能用于人哼唱。
whiz（英式亦作 whizz）常与快速移动搭配，指物体高速掠过空气时的嗖嗖或尖锐嘶声；whirr 不强调快速位移，而是持续运转或振动的低沉嗡鸣。
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