Article
最廉價之燃料 - The cheapest fuel

Language level: Baihua

Persons:
熙卿 Xiqing (Author)

Notes:
趣味之科學

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Article
雪的顏色 - The color of snow

Language level: Baihua

Persons:
宛揚 Wanyang (Author)

Notes:
趣味之科學

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Image
風景 - Landscape

Subject matters: Landscape,
Medium: Line drawing

Function: Unrelated to Article/Ad