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.
东半球夜间活动的犬科哺乳动物，与狗近缘；与狼形似；有时成群捕食但通常是单个或成对活动。
Old World nocturnal canine mammal closely related to the dog; smaller than a wolf; sometimes hunts in a pack but usually singly or as a member of a pair.
狗是一种常见的犬科哺乳动物，是狼的近亲。
Dogs are a common canine mammals, is a close relative of the Wolf.
狗是一种常见的犬科哺乳动物，是狼的近亲。
Dogs are a common canine mammals, is a close relative of the Wolf.
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