通过对研究犬科动物行为的几篇文章进行分析，该研究进一步说明了狗的心智能力类似于两岁到两岁半的儿童。
From an analysis of several studies on canine behavior, the study went on to say that the mental abilities of dogs are similar to those of a child aged between two and two-and-a-half years.
通过对研究犬科动物行为的几篇文章进行分析，该研究进一步说明了狗的心智能力类似于两岁到两岁半的儿童。
From an analysis of several studies on canine behavior, the study went on to say that the mental abilities of dogs are similar to those of a child aged between two and two-and-a-half years.
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