一位考古学家认为这些遗迹可以追溯到5世纪。

An ___archaeologist believes the remains date back to the 5th century.

该期刊收录了一位研究希腊文明的顶尖考古学家的作品。

The journal features work from a leading ___archaeologist on Greek civilization.

要成为一名考古学家，必须学习古代历史和田野发掘技术。

To become an ___archaeologist, one must study ancient history and field excavation techniques.