【新文章】從前有本書叫十萬個為什麼
點解嘅？點解唔見咗呢本書嘅？點解嘅？點解嘅？
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余海峯 David | 物理喵 phycat
Blog: https://phycat.wordpress.com
Facebook page: https://www.facebook.com/davidyu.phycat
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【新文章】從前有本書叫十萬個為什麼
點解嘅？點解唔見咗呢本書嘅？點解嘅？點解嘅？
=======================================
余海峯 David | 物理喵 phycat
Blog: https://phycat.wordpress.com
Facebook page: https://www.facebook.com/davidyu.phycat