•The cat purred as I stroked its fur.我抚摸猫的软毛时，它呜呜地叫着。

•We could hear the sound of a lawnmower purring in the back garden.我们能听到后院割草机的震颤声。

•A black limousine purred up (= drove up making a quiet continuous soft sound) outside the hotel.旅馆外面，一辆黑色豪华轿车呜地驶过来。

•[+ speech] "I love it when you stroke my back, " she purred (= said with pleasure).“我喜欢你抚摸我的背，”她满意地哼着说。

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•I stroked the cat and it gave a low purr.我轻抚那只猫，它发出了低沉的呜呜声。

•I heard the gentle purr of an engine outside the house.我听到了房子外面引擎低沉的隆隆声。