英语 主语后面逗号,逗号后面是什么句式?Lucy,a pretty girl,has gratuded from PKU.She,as a pop star,is very popular with young people.

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英语 主语后面逗号,逗号后面是什么句式?Lucy,a pretty girl,has gratuded from PKU.She,as a pop star,is very popular with young people.

英语 主语后面逗号,逗号后面是什么句式?Lucy,a pretty girl,has gratuded from PKU.She,as a pop star,is very popular with young people.
英语 主语后面逗号,逗号后面是什么句式?
Lucy,a pretty girl,has gratuded from PKU.
She,as a pop star,is very popular with young people.

英语 主语后面逗号,逗号后面是什么句式?Lucy,a pretty girl,has gratuded from PKU.She,as a pop star,is very popular with young people.
第一句 a pretty girl是同位语,对Lucy进行补充说明,与Lucy同时作为主语
第二句 as a pop star在此作状语

逗号的作用 用于解释或补充

第一句中,a pretty girl作为主语lucy的同位语,起解释说明的作用。
第二句中,as a pop star作为状语,同样是对主语的补充说明。