Article
耳垢在生理上的効用 - the physiological functions of cerumen
Subject matters: 文章 - essay, 新知 - new knowledge,
Language level: Baihua
Keywords: health, Medicine, Physiology,
Article
毛織物洗染法 - Mehtode to wash and dye woolen fabrics
Subject matters: 文章 - essay, 新知 - new knowledge,
Language level: Mixed
Keywords: everyday life, practical instruction , attire, clothing, dress,