但据说在室内，隔着玻璃晒太阳没用，紫外光B进不来，无法帮助产生VD3。不知这个说法是否属实。

来源: 6degrees 于 2022-10-21 14:32:51 [旧帖] [给我悄悄话] 本文已被阅读：次

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