它们是尘封历史的见证者，为后人学习研究中国古代史创造了大量的证明实物。

They are the witnesses of Chinese history and provide many clues for us to research ancient history of China.

youdao

它们是尘封历史的见证者，为后人学习研究中国古代史创造了大量的证明实物。

They are the witnesses of Chinese history and provide many clues for us to research ancient history of China.

youdao