New Tumblr post: “kirara397: “陸上自衛隊の夏の行軍のとき「水はたくさん飲め。でも一気に飲むな。ちびちび飲むんだ」と教えられました。理由は一回に吸収できる水の量は決まっており、150~250ml以上をとっても…” https://t.co/tzhr71tbbt



from Twitter https://twitter.com/itarunozaki

July 08, 2021 at 02:31PM
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