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蜗牛洒水车叶名琛6岁讲画稚语:我设计了一辆新型洒水车,蜗牛形的管子里有用不完的水,厉害吧!
Snail sprinkler Ye Mingchen 6-year-old childlike language: I designed a new sprinkler, snail-shaped pipe useful water, powerful!