狗是一种平常的犬齿动物，是狼的近亲。它寿命差不多10年—最多30年。

Dogs usually refers to the dogs， also known as dogs， a common canine mammals， is a close relative of the wolf。 Often referred to as "human best friend" is also the highest rate of keeping pets。 His life was about ten - more than three decades， in the absence of an accident， the average life span of small dogs to be longer。

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