Article
女子月經的特性表示 - the characteristics of women when having a period

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

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Article
用具常識 - common knowledge on utensils

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

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