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.
最常见的误解便是认为某些狗能达到2岁小孩的识字量，这种做法不适合测量犬科动物的智力。
The idea that some dogs can understand as many words as a two-year-old child is simply wrong and an inappropriate way of trying to measure canine intellect.
在耶鲁，成立三年的犬科动物认知中心已经不堪承受人们的热情，他们渴望给自己的狗评估智商，自愿让它们参加研究训练和智力游戏。
At Yale, the three-year-old canine cognition center has been barraged by humans eager to have their dogs' intelligence evaluated, volunteering them for research exercises and puzzles.
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