英语They are reading a book about/on the writings by Lu Xun
英语They are reading a book about/on the writings by Lu Xun
They are reading a book about/on the writings by Lu Xun
这里的词组by Lu Xun是修饰 the writings
那么 a book about/on the writings 是一个词组,而by Lu Xun
仅仅修饰 the writings ,没有a book about/on sth by sb
我自己想的通,但上课没听清,我想确认下