【exercise用法】在英语学习中，“exercise”是一个非常常见的词汇，既可以作名词使用，也可以作动词使用。了解其不同用法有助于更准确地掌握该词的含义和应用场景。以下是对“exercise”用法的总结。
一、基本定义
| 词性 | 含义 | 例句 |
| 名词 | 练习、锻炼；练习题；（身体）运动；（法律）条款 | I do daily exercise to stay healthy. This is a math exercise for students. |
| 动词 | 练习；锻炼；行使（权利） | She exercises her right to vote. He exercises his muscles every morning. |
二、常见用法解析
1. 作为名词使用
- 表示身体锻炼
常用于描述为了健康或健身而进行的身体活动。例如：
- I go to the gym and do some exercise every day.
- Swimming is a good form of exercise.
- 表示练习或练习题
多用于教育或学习场景，指为巩固知识而做的练习题或练习活动。例如：
- The teacher gave us an English exercise after the lesson.
- He finished all the grammar exercises in the book.
- 表示（法律）条款或规定
在正式文件或法律文本中，"exercise" 可以表示某项权利或权力的行使。例如：
- The company has the right to exercise its powers under the contract.
- You must exercise your rights before the deadline.
2. 作为动词使用
- 表示进行锻炼或训练
指通过重复动作来增强身体素质或技能。例如：
- She exercises her vocal cords every morning.
- He exercises regularly to keep fit.
- 表示行使（权利、权力等）
常用于正式或法律语境中，表示行使某种权利或职责。例如：
- The president will exercise his authority to make the decision.
- We have the right to exercise our freedom of speech.
三、常见搭配与短语
| 短语 | 含义 | 例句 |
| do exercise | 做运动 | We should do exercise every day. |
| take exercise | 进行锻炼 | She takes exercise in the park every evening. |
| exercise one's mind | 锻炼思维 | Reading books can help you exercise your mind. |
| exercise control | 行使控制权 | The government needs to exercise control over the situation. |
| physical exercise | 身体锻炼 | Physical exercise is important for health. |
四、注意事项
- “Exercise”作为动词时，通常不用于被动语态，除非是正式场合。
- 在日常口语中，“do some exercise”比“take exercise”更常见。
- “Exercise”作为名词时，常与“a”连用，如“an exercise”，但有时也可直接使用复数形式，如“exercises”。
总结
“Exercise”是一个多义词，根据上下文可以表示“锻炼”、“练习”或“行使”。无论是作为名词还是动词，它都广泛应用于日常生活、学习和工作中。掌握其不同用法，有助于提高语言表达的准确性与灵活性。
