One of the characteristics of the Sinitic languages, to which Chinese belongs, is that a relatively high percentage of their words are monosyllables.
请分析这个句子。谢谢!
One of the characteristics ——主语
of the Sinitic languages ——介词短语作后置定语
to which Chinese belongs ——定语从句(先行词是one of the characteristics)
is ——谓语(系词)
that a relatively high percentage of their words are monosyllables ——宾语从句(从句内部成分分析略)
句子的主干用加粗字体标出。