1 [U] physical or mental activity that keeps you healthy and strong 运动: The doctor advised him to take regular exercise. 医生劝他经常运动。Swimming is a good form of exercise. 游泳是一种很好的运动方式。

2 [C] (often plural 常使用复数形式) a movement or activity that you do in order to stay healthy or to become skilled at sth 体操；操练: I do keep-fit exercisesevery morning. 每天早上我都做保健操。breathing/stretching/relaxation exercises 呼吸／伸展／放松运动

3 [C] a piece of work that is intended to help you learn or practise sth 练习: an exercise on phrasal verbs 短语动词练习

4 [C] an exercise in sth an activity or a series of actions that have a particular aim 行动；一连串行动: The project is an exercise in getting the best results at a low cost. 这项计划的目标，就是以较低成本获取最佳成效。

5 [U] (formal 正式)exercise of sth the use of sth, for example a power, right, etc （权力、权利等的）运用: the exercise of patience/judgement/discretion 运用耐心／判断力／决定权

6 [C] [usu.pl] a series of activities by soldiers to practise fighting （军队的）演习: military exercises 军事演习