exercise讀音：[?eks?sa?z]

n.(身體或腦力的) 活動，鍛煉，運動; (保持健康或培養(yǎng)技能的) 一套動作，訓練活動; 習題; 練習;

例：

Swimming is good exercise.

Exercise is a good safety valve for the tension that builds up at work.

鍛煉身體是排解工作壓力的好辦法。

Exercise will not only lower blood pressure but possibly protect against heart attacks.