Article
動物的壽命 - The lives of animals

Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: animals,

Persons:
幼雄 Youxiong (Author)

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Article
簡單的水面椅 - A simple chair that floats on water

Subject matters: 筆記 - jottings, 新聞 - news,
Language level: Baihua

Keywords: invention,

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Image
簡單的水面椅 -