noun
ancient civilization
Refers to the cultures and societies of the distant past, such as those of Egypt, Mesopotamia, or the Indus Valley.
エジプトの古代文明はピラミッドで有名だ。
The ancient civilization of Egypt is famous for its pyramids.
古代文明の遺跡を訪れるのが趣味
Visiting ruins of ancient civilizations is my hobby.