Dogs and dogs are one kind of animal. Dogs generally refer to dogs raised at home, and dogs are the general term for all dogs, so dogs include dogs, and dogs are one type of dogs. Dogs are man's most loyal friends and can be seen in many families. They are also domesticated as working dogs to help humans, such as police dogs, military dogs, guide dogs, search and rescue dogs, drug search dogs, sled dogs, and explosive search dogs. Dogs, shepherd dogs, companion dogs, etc.