求翻译：大约在公元前19世纪（中国夏朝的时候）就孕育了人类有史以来最早的文明——古巴比伦文明；这个地区由于没有天然的屏障，所以产生了古巴比伦多样化的文化发展趋势。是什么意思？

Around the 19th century BC (when the Chinese Xia) on the birth of the first civilization in human history - the ancient Babylonian civilization; this area because there is no natural barrier, so had a Babylonian variety of cultural trends.

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Approximately in B.C.E. 19th century (Chinese Xia Dynasty time) has bred the human throughout history earliest civilization - - Cuba Billen civilization; Because this area does not have the natural barrier, therefore has had the Cuban Billen diversification culture trend of development.

Some 19th century century BC (when Xia dynasty in China), on the earliest civilization gave birth to the history of mankind – Cuba bilunwenming; this area because there are no natural barriers, the resulting diversification of the Babylonian culture development tendency.

Probably at the 19th century B.C. (Xia dynasty China when) pregnant with by the earliest one since the dawn of human civilization --Ancient civilization of Babylon; There is no natural protective screen in because this area, have produced ancient diversified culture development trends of Babylon.