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VERB
（猫等满足地）发出呼噜声
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.
胖乎乎的姜黄色小猫惬意地躺在她的怀里，大声地打着呼噜。
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VERB
（机器等）发出持续低沉的声音，发隆隆声
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...
两艘船隆隆地从洞口开出，进入了开阔的水域。
The Rolls Royce purred down the country road.
那辆劳斯莱斯沿着乡村小路咕隆隆地开走了。
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VERB
（人愉快或劝说别人时）轻柔地说话
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.
“你可以告诉我真相，”她轻声说。