特殊相対性理論かな？ https://t.co/cNhjG09hZp https://t.co/T4rUYqvC6n 2022-07-03 aki <<<特殊相対性理論かな？ https://t.co/cNhjG09hZp https://t.co/T4rUYqvC6n>>> July 03, 2022 at 08:47AM @o_ob
