锻炼的单词是physical exercise。physical exercise的例句：Working hard is a great mental and physical exercise（努力工作是非常好的精神和体能训练）。

physical exercise的例句：Astanga Yoga is a therapeutic physical exercise that focuses on breathing and relaxation（八步功法瑜伽注重呼吸和放松，是一种舒缓身心的锻炼方法）；To stop smoking， for example，or to get more physical exercise（例如承诺戒烟和进行更多的体育锻炼）。