His job is washing cars.里的 washing cars .cars 是修饰washing ,还是 washing 修饰 cars?

问题描述:

His job is washing cars.里的 washing cars .cars 是修饰washing ,还是 washing 修饰 cars?

可以翻译成中文理解,
“他的工作是洗车”,这里“洗车”两个字的关系是和washing cars两个词的关系一样的,“washing"是现在进行式,大体可以说是washing在修饰cars,但washing还是动词.