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50% adults overweight or obese by 2050: Global study 对全球数据的研究指出到 2025 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
World's largest iceberg runs aground off remote island 世界最大冰山在偏远小岛 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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“春天的 10 度”为何比“秋天的 10 度”更暖和？
不知道大家有没有类似体验：明明是同样的气温，在春天和秋天的感受却大为不同。春天，早上出门时气温 10 度，我们穿着单衣走在太阳下，额头很快就冒出一层汗珠；但在秋天，同样是 10 ...