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Warning: Trying to access array offset on value of type bool in /home/kkwave/patsukin.com/public_html/wp-content/themes/simplicity2/header-twitter-card.php on line 45 【疑問】科学者「天然ダイヤより性能が良い『人工ダイヤ』安く作ったぞ」敵「性能が悪い天然ダイヤが欲しい」