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7500万年前,蒙古大沙漠是各种恐龙的栖身之地。 其中巨大的长爪龙是最奇特的恐龙.它拥有世界上最大 的爪子,长达70厘米！
75 million years ago, the great desert of Mongolia is the place to live for all kinds of dinosaurs. One of the most peculiar dinosaur long claw is it has the world’s largest paw, up to 70 cm!