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deep breath
緊張したので深呼吸をした。
I was nervous, so I took a deep breath.
朝一番に深呼吸するのが日課だ。
Taking a deep breath first thing in the morning is my daily routine.
ストレスを感じたら深呼吸で気持ちを落ち着けよう。
When you feel stressed, try to calm yourself with deep breathing.