喵博士说科学|有趣的科学小知识|生活小常识
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伤口上的痂1——痂是由血小板制成的瓶盖
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Posted May 18, 2022 at 6:01 am.
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痔疮3——哪些人容易得痔疮
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伤口上的痂2——痂是保护伤口的天然绷带
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