【ｼｴﾛﾌｨﾘｮ】人類が50m/20秒切るのは？【ﾌﾞｽｹ】？

【ｼｴﾛﾌｨﾘｮ】人類が50m/20秒切るのは？【ﾌﾞｽｹ】？
https://maguro.2ch.sc/test/read.cgi/swim/1311079155/

last-modified: 2020-08-23 10:16:51