Question

exercise的用法什么时候加“s" 什么时候不加“s” 做运动 和 做练习 分别怎么说?

Answer 1

morning exercise加“s”

eye exercises

Exercise为"练习,锻炼"

当为"锻炼"时,如:"do exercise"不加”S”

当为”练习”时,如：”eye exercises,math exercises”加”S”