问题描述：
一篇英语短文的意思!
The dog is a domestic subspecies of the wolf,a mammal of the Canidae family of the order Carnivora.The term encompasses both feral and pet varieties and is also sometimes used to describe wild canids of other subspecies or species.The domestic dog has been one of the most widely-kept working and companion animals in human history,as well as being a food source in some cultures.的意思!
The dog is a domestic subspecies of the wolf,a mammal of the Canidae family of the order Carnivora.The term encompasses both feral and pet varieties and is also sometimes used to describe wild canids of other subspecies or species.The domestic dog has been one of the most widely-kept working and companion animals in human history,as well as being a food source in some cultures.的意思!
问题解答：
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