compared with... 在句中做什么成分

At present, China's per unit area yield of grain is low compared with countries with high grain yields.

请问compared with countries with high grain yields在句中做什么成分呢?

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曹荣禄  
擅长:动词用法,句法问题

compared with countries with high grain yields 为过去分词短语作状语。

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  • 袁文菲 提出于 2022-04-26 17:51