Feeling in need of exercise and fresh air, she decided to have a walk.
她感到需要活动，需要新鲜空气，便决定出去散散步。
You can buy cheap workout videos and exercise in front of the TV, or get both exercise and fresh air by walking, jogging or biking in your neighborhood.
你能在TV之前购买便宜的锻炼录像并且在电视前进行练习，或者通过在你的邻近地区中走，慢跑或者骑车得到练习和新鲜的空气。
Exercise, fresh air, and good posture are all helpful.
体育运动、新鲜空气和良好姿势都很有效果。
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