nature-7081138_960_720 (1)
1: 2025/06/11(水) 20:55:41.79
日本らしい
https://i.imgur.com/jRf2fcZ.jpeg
https://i.imgur.com/0vwtMls.jpeg
https://i.imgur.com/2ayblls.jpeg


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Source: 理系にゅーす