用complain of造句意思是抱怨做某事

用complain of造句意思是抱怨做某事
用complain of造句
意思是抱怨做某事

用complain of造句意思是抱怨做某事
I have nothing to complain of.
我没什么可抱怨的.

He had been complaining of a pain in his chest.