研究结果发表于《儿科学》（Pediatrics），并迅速引发关注：在20世纪90年代中期，女孩乳房发育的平均起始年龄已提前至约10岁，比此前医学文献中的记录早了一年多。而且，这一变化在不同族群中表现出明显差异——白人女孩乳房发育的平均起始年龄约为9.96岁，非裔女孩则进一步提前至8.87岁。
Apple's thinnest, lightest laptop gets an update for 2026.
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As AI-powered browsers from companies like OpenAI, Perplexity, and others attempt to carve out a space for themselves in a market that’s long been dominated by Chrome, Google says that it’s now speeding up the pace of Chrome releases. Starting this September, Chrome will move from a four-week release schedule to a two-week schedule, the tech giant announced on Tuesday.。体育直播对此有专业解读
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