exercise 和 exercises的区别

Question

如题所述

Answer 1

exercise 可以是动词“锻炼”，如 He exercises every day. 此时，exercises 是 exercise 的单三形式。

exercise 也可以是名词。
（1）“练习”，“操”可数名词 如 There are many exercises in the book.
We should do eye exercises.
（2）“锻炼”，不可数名词 如 Let's take exercise.

Answer 2

exercise 可以是动词“锻炼”，如 He exercises every day. 此时，exercises 是 exercise 的单三形式。

exercise 也可以是名词。
（1）“练习”，“操”可数名词 如 There are many exercises in the book.
We should do eye exercises.
（2）“锻炼”，不可数名词 如 Let's take exercise.
请采纳谢谢

Answer 3

exercise是动词

Answer 4

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Answer 5

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