exercise exercising区别

问题描述:

exercise exercising区别
exercise名词和动词都有锻炼的意思
而它的动名词 exercising也有锻炼的意思
该如何区别?

当句子有形容词时,exercise为名词 ( 形容词修饰名词 )例子:Swimming is one of the healthiest forms of exercise游泳是最有益于健康的运动方式之一(其中healthiest为形容词*)exercise为动词时,有几个词组...