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The city zoo bought a new kangaroo from Australia. It was famous for jumping very high. The zookeeper was worried that the kangaroo would run away. So he built special walls around it. But the next morning， people found that the animal was playing around outside. So the zookeeper made the height of the walls 5 meters. But the kangaroo got out again the following day. The zookeeper felt very angry. He made the walls 10 meters high， but the kangaroo still got out.
A giraffe asked the kangaroo， “How high do you think he’ll keep on building the walls？”
“I don’t know，” said the kangaroo. “Maybe they’ll reach 30 meters. But it isn’t important to me. I can still go out of the zoo if the zookeeper doesn’t remember to close the door.”
城市動物园从澳大利亚买了一只新的袋鼠，它因为跳得很高而闻名。动物管理员担心袋鼠会逃跑，所以它在周围建起了特殊的围墙。但是第二天早上，人们发现这只动物在外面玩耍。因此，动物管理员把围墙的高度增加到了5米。但是接下来的一天，袋鼠又出来了。动物管理员非常生气，他把围墙造到了10米高，但是袋鼠仍旧能出来。
一头长颈鹿问袋鼠：“你认为他会造多高的围墙？”
“我不知道，或许围墙将高达30米，但这对我来说不重要。我还是能从动物园出来，如果管理员不记得关门的话。”
A giraffe asked the kangaroo， “How high do you think he’ll keep on building the walls？”
“I don’t know，” said the kangaroo. “Maybe they’ll reach 30 meters. But it isn’t important to me. I can still go out of the zoo if the zookeeper doesn’t remember to close the door.”
城市動物园从澳大利亚买了一只新的袋鼠，它因为跳得很高而闻名。动物管理员担心袋鼠会逃跑，所以它在周围建起了特殊的围墙。但是第二天早上，人们发现这只动物在外面玩耍。因此，动物管理员把围墙的高度增加到了5米。但是接下来的一天，袋鼠又出来了。动物管理员非常生气，他把围墙造到了10米高，但是袋鼠仍旧能出来。
一头长颈鹿问袋鼠：“你认为他会造多高的围墙？”
“我不知道，或许围墙将高达30米，但这对我来说不重要。我还是能从动物园出来，如果管理员不记得关门的话。”