6個月大的狗狗就相當於人類7歲的小孩，等到狗狗長了三年以後，中小型犬的

6個月大的狗狗就相當於人類7歲的小孩，等到狗狗長了三年以後，中小型犬的年齡是：1年=5歲，大型犬的年齡是：1年=6~7歲

結果 (英文) 1:

6 months big dog is equivalent to 7-year-old human child, the dog until long after three years, small and medium sized dogs age: 1 year = 5 years of age, the age of large dogs are: 1 = 6 to 7 years year old

結果 (英文) 2:

Six-month-old dog is equivalent to a human 7-year-old child, until the dog grows up for three years, the age of small and medium-sized dogs is: 1 year , 5 years old, the age of the large dog is: 1 year , 6 to 7 years old

結果 (英文) 3:

Six month old dogs are equivalent to seven-year-old human children. After three years of dog growth, the age of small and medium-sized dogs is: 1 year = 5 years old, and that of large dogs is: 1 year = 6-7 years old