11月26日,周四读报时间 ,一切美好从心 开始: A view of a thousand kinds of expression, the perfect one called true. 一个观点千种表达,完美的那一种叫真实。 1、 光大证券首席经济学家徐高在接受《证券日报》记者采访时表示,近期粮食价格下跌一方面将直接导致食品价格放缓 ...
Science News 鸟类羽毛在冷水里如何保温? How Does Fur Keep Animals Warm in Cold Water? Rather than relying on a thick layer of body fat for insulation as many aquatic mammals do, some seabirds and semiaquatic mammals such as fur seals and otters trap a layer of air in their feathers and ...