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VERB
（貓等滿足地）發出呼嚕聲
When a cat purrs, it makes a low vibrating sound with its throat because it is contented.
例句
The plump ginger kitten had settled comfortably in her arms and was purring enthusiastically.
胖乎乎的姜黃色小貓愜意地躺在她的懷里，大聲地打著呼嚕。
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VERB
（機器等）發出持續低沉的聲音，發隆隆聲
When the engine of a machine such as a car purrs, it is working and making a quiet, continuous, vibrating sound.
例句
Both boats purred out of the cave mouth and into open water...
兩艘船隆隆地從洞口開出，進入了開闊的水域。
The Rolls Royce purred down the country road.
那輛勞斯萊斯沿著鄉村小路咕隆隆地開走了。
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VERB
（人愉快或勸說別人時）輕柔地說話
When someone purrs, they speak in a soft, gentle voice because they are pleased or because they want to persuade you to do something for them.
例句
'You can tell me the truth,' she purred.
“你可以告訴我真相，”她輕聲說。