但據說在室內，隔著玻璃曬太陽沒用，紫外光B進不來，無法幫助產生VD3。不知這個說法是否屬實。

來源: 6degrees 於 2022-10-21 14:32:51 [舊帖] [給我悄悄話] 本文已被閱讀：次

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