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Researchers have long known that the meat-eating Tyrannosaurus rex had a teenage growth spurt, gaining around 35 至 45 pounds per week, to reach its colossal size. But up until now, it hasn't been clear whether all...
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加利福尼亚州, 这周宣布了 1 百万分之一的Covid-19案, 自大流行开始以来，每天报告的感染数量增长速度最快, 公共卫生官员说.
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新德里 (CNN业务)India's economy is out of recession but still a long way from returning to rates of growth seen before the pandemic. Asia's third biggest economy recorded a rise in gross domestic product of ...