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这段时间,小狗托托总是闷闷不乐的:动物学校正在教大家学游泳呢,可他却老是学不会;不知道为什么,平时和他一起玩的小伙伴们,现在也不理他了……
During this time, the puppy Toto always depressed: zoological school is teaching you to learn to swim it, but he always learn not; do not know why, and usually play with his little friends who now ignore him ...