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・He has been constant in his devotion to learning. ただ一筋に学問に専念してきた.🔗🔉

・He has been constant in his devotion to learning. ただ一筋に学問に専念してきた.

研究社新英和大辞典 ページ 180890 での・He has been constant in his devotion to learning. ただ一筋に学問に専念してきた.単語。