By the time she was 13,seven more children filled the family‘s New York City department.意思?

问题描述:

By the time she was 13,seven more children filled the family‘s New York City department.意思?
上面那句话的意思,到底是几个孩子,此处more的用法?

基数词+more +名词
more表示又,另外
seven more children =another seven children
在这里more不表示比较.