昨天，百度发布 2025 年第四季度及全年财报，AI 云、AI 应用与自动驾驶构成三大核心增长点。
Ian Sample is joined by co-host Madeleine Finlay to find out where the science stands. They also hear from Katherine Tucker, the founder of the Center for Population Health at the University of Massachusetts Lowell. She explains what magnesium is doing in our bodies and the best approach we can take to ensure we are getting enough
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其实，蜡梅和梅花既没有亲缘关系，也不是同一个品种。蜡梅是蜡梅科蜡梅属，梅花则是蔷薇科李属。从花期上看，蜡梅比梅花开得更早，开花的时候一般树上还有宿存的褐色果子。
本次的年度征文设题很巧妙，体现了现代科技与传统人力对决的意思。