问题描述： it is well known to us that是什么意思 1个回答 分类：英语 2014-11-25 问题解答： 我来补答 众所周知.如:It is well known to us that up to the middle of the last century Japan was feudal state.众所周知直到上个世纪中叶,日本还处于封建状态. 展开全文阅读
