2.as 引導的非限制性定語從句與it引導的句子. The earth is round, and it is known to all. The earth is round, which is known to all. As is known to all, the earth is round. It is known to all that the earth is round. as 具有“正如 之意.搭配的動詞一般是固定的.如:as you know/ as you see/ as we planned/ as we expected/ as is reported... 【查看更多】