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牛牛问姐姐:姐姐,谁在使自然界的万物成长?姐姐答道:雨水。牛牛一听,急了:完了!我大概不会长大了,因为我是打着伞出门的!
Cow asked her sister: sister, who is making everything in nature grow? Sister replied: rain. A cow, anxious: finished! I probably will not grow up, because I was out of the umbrella!