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Story 9 Its Good to Walk A group of penguins at a zoo in Japan take a walk to lose weight. Every day, 15 king penguins there walk 500 meters twice. Just like human, penguins dont exercise much during winter. They become fat easily, says a zookeeper. 故事9 散步有益 在日本的一个动物园里一群企鹅在散步减肥。哪里的15只金企鹅媒体散步两次，每次500米。 动物园工作人员说：和人类一样，企鹅冬天不怎么运动，容易发胖。 | 
