雨落风残

Leyla的笑容很阳光。

雨落风残

Xia is the first pre-historic dynasty, from about the 21st to about 6th century BC. Scientific observations were made at early ??? sites at Anyang, Henan province. In regards to the Xia, it was difficult to seperate myth from reality.By now,archaeologists have uncovered  in urban sites,bronze implements and tombs that point to the exsitence of Xia civilisation. The same locations, sited in ancient Chinese historic ??. At minumum,the Xia period marks an evolution stage between the near ??? cultures and the typical Chinese urban civilasastions of Shang Dynasty.

平时接触这方面少，听起来就很难。

雨落风残

neolithic 学了近20年英语，这个单词还是第一次见到，惭愧！