人类社会自从脱离蒙昧野蛮走进文明时代以来，科学技术就越来越成为推动社会进步不可或缺的重要力量。
Since the human society changed its savage barbarous situation into civilization era, science and technology become an indispensable important power that promotes social progress again and again.
看看人类在漫长的蒙昧时期非常野蛮，我们步入真正的文明时代与蒙昧时代比短的多。
It has been a long, rather barbaric period before we finally step into the relatively short civilized age.
看看人类在漫长的蒙昧时期非常野蛮，我们步入真正的文明时代与蒙昧时代比短的多。
It has been a long, rather barbaric period before we finally step into the relatively short civilized age.
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