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撫養孩子
食物和飲料
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家居與園藝
孕
嬰兒
凝血
維生素K對兒童安全嗎?
維生素K缺乏症可防止血液在受傷時凝結,是導致幼兒死亡的主要原因。
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>> Saving a baby falling from the 12th floor of the apartment building,
a real-life superhero appears