exercise和practice何时可数何时不可数?

2024-11-27 18:45:56
推荐回答(4个)
回答1:

exercise用于“具体的某项活动或锻炼,练习时”,它是可数名词。故do exercises是可数名词。

exercise用于“广义上的锻炼”时,它被当作不可数名词在用。

practice 不可数。表示练习,实践,习惯,惯例等意思。

用法

一、exercise

1、exercise的基本含义是反复地进行某一动作或一系列动作,以发展和加强某种能力,尤指为了身体健康或精力充沛而进行的活动。引申可表示“运用”“行使”或“实行”“执行”等。

2、exercise可用作及物动词,也可用作不及物动词。用作及物动词时,接名词或代词作宾语。

3、exercise作“练习”解时,其后常接“反身代词+in+ n./v -ing”,其主语既是动作的执行者,又是动作的承受者。

4、exercise作名词统指“运动”时,前面加冠词特指“某项运动”。

5、exercise作名词指“习题”时,后面跟in和科目名称,或on/in和科目的部分的名称,如an exercise in English grammar(英语语法习题)。

6、graduation/graduating exercises指“毕业典礼”,是美式英语,相当于英式英语中的ceremony。

7、take exercise和exercise作不及物动词指“运动”或“体操”,而不是普通的练习。

二、practice

1、practice在英式英语中只作名词,动词为practise,而在美式英语中,practice可作名词或动词,practise很少见。

2、practice作名词,前面有形容词时,冠词a可加可不加。

3、practice作名词,前面无定冠词the时,后跟介词in,而有定冠词the时,后跟介词of,例:practice in composition,the practice of composition。

4、practice作动词表示“练习(乐器)”时,可直接用practice,或practice (up)on,也可以practice at,例如practice the piano,practice (up)on the piano,practice at the piano。

5、practice后面跟动名词,而不跟不定式。

6、practice还可作“惯例,常规”解,指对某件事情一向的看法,可用作不可数名词,也可用作可数名词。

扩展资料

单词解析

1、exercise

英 ['eksəsaɪz];美 ['ɛksɚsaɪz]

n. 运动;练习;运用;操练;礼拜;典礼

vt. 锻炼;练习;使用;使忙碌;使惊恐

vi. 运动;练习

例:They are merely exercising their right to free speech. 

他们仅仅是在行使言论自由的权利。

例:She exercises two or three times a week. 

她一周锻炼两三次。

2、practice

英 ['præktɪs];美 ['præktɪs]

n. 实践;练习;惯例

vi. 练习;实习;实行

vt. 练习;实习;实行

例:She was taking all three of her daughters to basketball practice every day. 

她那时每天带她的3个女儿去进行篮球训练。

例:I eventually realized I had to change my attitude towards medical practice. 

我终于认识到我得改变我对医务工作的态度。

回答2:

[U] use or practice (of the mind or esp the body) through effort or action (智力的)运用; (尤指)锻炼运动: The doctor advised him to take more exercise. 医生建议他多运动. * Jogging is a healthy form of exercise. 慢跑是有益健康的锻炼方式. * Doing crosswords gives the mind some exercise. 做纵横字谜游戏能锻炼脑筋.
[C] activity or task intended for physical or mental training 练习; 训练: vocal, gymnastic, keep-fit, deep-breathing, etc exercises 发音、 体操、 保健、 深呼吸等练习 * exercises for the piano, flute, harp, etc 钢琴、 长笛、 竖琴等的练习 * The teacher set her class a mathematics exercise for homework. 那位女教师给班上布置数学的家庭作业. * [attrib 作定语] an exercise book, ie a book for writing in with soft covers and lined pages 练习本.
[U] ~ of sth (effective) use or application (有效的)使用或应用: The exercise of patience is essential in diplomatic negotiations. 在外交谈判中, 重要的是要有耐性. * the exercise of one's civil rights 公民权利的行使 * His stories showed considerable exercise of the imagination. 他的故事颇具创意.
[C often pl 常作复数] series of movements or operations for training troops, etc (部队等的)操练, 演习: military exercises 军事操练 * (fig 比喻) an exercise in diplomatic relations 外交关系上的举动.
exercises [pl] (US) ceremonies 典礼; 仪式: graduation exercises 毕业典礼 * opening exercises, eg speeches at the start of a conference 开幕仪式(如致开幕词).

而practice除了在词组里和每天经常反覆的练习: 例如an hour's practice every day 每天一小时的练习 以外的意思 都是不可数

回答3:

exercise:1.不可数,表示运动
2.可数,表示练习,(早)操等
do exercises 指的是做练习,不是做运动;do eye exercises做眼保健操

practice:1.不可数,表示练习,实践
2.可数或不可数,表示习惯,惯例。 如:a regular practice常规做法

回答4:

exercise译为“操”为可数;译为“运动”不可数
practice不可数

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