论如何徒手捉苍蝇
如何预判苍蝇的走位？ - 知乎
https://www.zhihu.com/question/352501982
https://media.naeu.net/15194e2a28b80478b4d8b7d20c2cfcb5c8f293e43ef5dde1040ff0f1c47879b7.mp4
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今天房间里面进来了几只很讨厌的飞虫, 于是稍微试了试, 成功极高.
