Do you still need an expert to flush the toilet? This U-shaped submarine was sunk by its own toilet

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Hello everyone I am your ”Encyclopedia Uncle” Rocket Uncle ~
Tell interesting science and teach creative people!
Through the description of natural science and social science knowledge outline the overall outline of the scientific knowledge picture!
If you want to know more knowledge please do it in [Uncle Scientific Rocket]]
Science and Technology Culture-Technology And Culture: • 科技文化-Technology And Cu...
Life Science Popularization-Life Science: • 生活科普-Life Science
Animal Science-Animal: • 动物科普-Animal
Dry Goods Explanation: • 干货讲解
Planet Culture-Planet Culture: • 星球文化--Planet Culture
Gadgets: • 小玩意
Rocket Uncle Teach Science: • 火箭叔教科学
Astronomy-Astronomy: • 天文学--Astronomy
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Science Rocket Uncle# Science Popularization# Culture

[@LyokoCityJeremie]

感觉自从拼视频开始，观看体验就急剧下降

[@ron290716]

謝謝！

[@user-nv1xz8bh4g]

好厉害，差两分半就1小时了

[@fuwenwang1204]

这故事我以前听过

[@-hk-real]

重發的

[@醬哥的奇妙之旅の頻道]

播放速度 0.75

[@martinlo0907]

名乎其實豬隊友

[@gentlemana1204]

你在潜艇上工作好牛哦，负责什么工作？
冲马桶。