请教og122

Chinese（S), the most ancient of living writing systems, consists(V) of tens of thousands of ideographic characters(O), each character a miniature calligraphic composition inside its own square frame.

斜体部分就是句子主体，其他都是修饰成分，MM慢慢看看。

假如实在不清楚，建议先看杨鹏的难句训练一下。