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・He could swim when he was three. 彼は 3 歳のとき泳げた.🔗🔉

・He could swim when he was three. 彼は 3 歳のとき泳げた.

研究社新英和大辞典 ページ 181604 での・He could swim when he was three. 彼は 3 歳のとき泳げた.単語。