“民以食为天”，立冬的习俗最直观地体现在餐桌上。中国人认为，立冬后天气转寒，身体需要补充能量来抵御严寒，这便是“立冬补冬”的说法来源。各地的“补冬”美食，藏着浓浓的地域特色。

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As the osteoblasts differentiated in culture, they produced a molecule that the investigators tentatively termed \ Ob- SERM.\ ...