exercise作名词有“练习”、“运动”、“训练”、“运用”等意思。当“保持健康或培养技能的)一套动作,训练活动,练习”、“习题;练习”、“(为达到特定结果的)活动”、“(士兵的)操练,演习,演练”讲时是可数名词。当“(身体或脑力的)活动,锻炼,运动”、“.行使;运用;使用”讲时是不可数名词。
exercise可数名词的用法
1.(保持健康或培养技能的)一套动作,训练活动,练习
(1)breathing/relaxation/stretching exercises
呼吸 / 放松 / 伸展运动
(2)exercises for the piano
钢琴练习
(3)Repeat the exercise ten times on each leg.
每条腿重复做十次这种动作。
2.习题;练习
(1)grammar exercises
语法练习
(2)Do exercise one for homework.
家庭作业做习题一。
3.(为达到特定结果的)活动
(1)an exercise in public relations
公共关系活动
(2)Staying calm was an exercise in self-control.
保持镇定是一种自我控制活动。
(3)a communications exercise
通信演习
(4)In the end it proved a pointless exercise.
这最终证明是一项毫无意义的活动。
4.(士兵的)操练,演习,演练
military exercises
军事演习
exercise不可数名词的用法
1.(身体或脑力的)活动,锻炼,运动
(1)Swimming is good exercise.
游泳是有益的运动。
(2)I don&39;t get much exercise sitting in the office all day.
我整天坐在办公室很少运动。
(3)The mind needs exercise as well as the body.
大脑同身体一样需要锻炼。
2.行使;运用;使用
(1)the exercise of power by the government
政府权力的行使
(2)the exercise of discretion
自行决定权的行使