[countable] an activity or series of activities that is designed to achieve a particular result（为了达到特定结果的）活动◆a training exercise培训活动◆The company has undertaken a rebranding exercise.公司开展了一项品牌重塑活动。◆an exercise in public relations公共关系活动⨁to carry out / conduct / undertake an exercise开展／进行／从事一项活动 [uncountable] the use of power or a right to make sth happen行使；使用；运用◆The Internet has made the exercise of choice by consumers easy.互联网使消费者更加容易作选择。⨁to encourage / justify / limit the exercise of sth鼓励／有理由／限制使用某物 (Finance 金融) [uncountable] the exercise of an option an act of using an option , especially in order to buy or sell shares in a company期权的行使◆revenues from the exercise of share options行使股票期权获得的收益