what shaking the hed means is not always the same in different countries.
问题描述：
what shaking the hed means is not always the same in different countries.
what shaking the hed means 是什么成分 为什么用what
答
这个是做整个句子的主语,相当于the meaning of shaking the head,后面的is not always the same in different countries.是谓语结构