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Глава МИД Польши призвал Европу исправить одну ошибку14:54
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Фото: Rod Nickel / Reuters
Cross-sectional study of healthy human fetuses finds stable yawning frequency between 23 and 31 weeks of gestation and a negative association between yawning rates and birth weight.
· 李娜 · 来源：tutorial新闻网