civilizations是什么意思,civilizations怎么读,
2.Glaser claims that these earth works, built between AD 400 and 1400, were at the heart of urban civilizations.
格拉泽声称,这些建于公元400年至1400年间的土方工程是城市文明的核心。
4.Some of the earliest human civilizations arose in southern Mesopotamia, in what is now southern Iraq, in the fourth millennium B.C..
一些最早的人类文明于公元前4000年出现在美索不达米亚南部,也就是现在的伊拉克南部。
5.It is through widespread loss of memory that civilizations are at risk of falling into a dark age.
正是由于广泛的记忆丧失,文明才有陷入黑暗时代的危险。