exercise为不可数名词,exercises为可数名词。
exercise为不可数名词时:
(身体或脑力的)活动,锻炼,运动
例如:to take exercise 锻炼;gentle exercise 平和的运动
行使,运用,使用
例如:the exercise of power by the government 政府权力的行使;
the exercise of discretion 自行决定权的行使
exercise为可数名词时:
(保持健康或培养技能的)一套动作,训练活动,练习
例如:breathing exercises 呼吸运动;exercises for the piano 钢琴练习
习题,练习
例如:grammar exercises 语法练习;do exercises 做习题
首先我们来看下exercise和exercises的大致意思:
exercise:词性为名词,A physical or mental activity that is done to keep the body healthy or to help a particular skill
exercises:词性为名词,A series of physical or mental activities done to keep the body healthy or to help a particular skill
通过下面的表格我们了解下exercise和exercises的含义、发音和用法
接下来让我们看下exercise和exercises的用法区别:
1.词形:exercise为单数形式,exercises为复数形式
例子:
- I do exercise every day.
(我每天做一次运动。)
- We need to do some exercises.
(我们需要做一些锻炼活动。)
2.指向:exercise指代一个具体的锻炼活动,exercises指代一个连续的锻炼活动序列
例子:
- I do the same exercise every day.
(我每天都做同一种运动。)
- We participated in an hour of exercises.
(我们参加了一个小时的锻炼课程。)
3.用法:exercise通常用作不可数名词,exercises通常用作可数名词
例子:
- Exercise is important.
(锻炼是重要的。)
- We did five exercises.
(我们做了五个锻炼活动。)
4.复数形式:exercises可以表示多个不同种类的锻炼活动,而exercise通常指特定的某一种
例子:
- Swimming, running, and yoga are all good exercises.
(游泳、跑步和瑜伽都是很好的锻炼活动。)
- You can try some exercises for the whole body.
(你可以尝试一些全身锻炼。)
5.语法:exercise作为不可数名词时,不能与复数形式的动词连用;exercises作为可数名词时,可以与复数形式的动词连用
例子:
- I need to do more exercise.
(我需要做更多的运动。)
- We are doing some aerobic exercises.
(我们正在做一些有氧运动。)