One of the challenges that faced ancient civilizations like Egypt was timekeeping, calendars.
像埃及这样的古代文明面临的挑战之一是计时，也就是日历。
At any rates, that conversation got me thinking about archaeological finds that really changed our understanding of ancient civilizations.
无论如何，那次谈话让我想到了一些考古发现，它们确实改变了我们对古代文明的理解。
The Nile, which begins in central Africa and flows over 4,100 miles north into the Mediterranean, hosted one of the world's great ancient civilizations along its shores.
尼罗河发源于非洲中部，向北流入地中海，流程达4100多英里，它的沿岸曾孕育了世界上最伟大的古代文明之一。
Asia boasts many ancient civilizations.
亚洲有许多文明古国。
Relics of ancient civilizations, rituals, beliefs.
古代文明、礼仪、信仰的遗迹。
The roots of such rules can be traced back to ancient civilizations.
这些规则的根基可以追溯到古代文明。
The foreigners were amazed at the ancient civilizations of China.
这些外国人对中国的古代文明惊叹不已。
Many ancient civilizations required irrigation to sustain themselves.
许多古代文明需要灌溉来维持自身。
Leprosy was recognized in the ancient civilizations of China, Egypt and India.
中国、埃及和印度等古代文明对麻风就有认识。
China, one of the world's most ancient civilizations, has a recorded history of nearly 5, 000 years.
中国是世界上最古老的文明的发源地之一，拥有5,000年的历史。
To understand the units of time we need to investigate the number systems of ancient civilizations.
为了理解时间单位，我们需要研究一下古代文化的数字系统。
As one of the four ancient civilizations, China has long history and creates many splendid cultures.
作为四大文明古国之一，中国有着悠久的历史并且创造了许多辉煌的文化。
China has five thousand years of history, ancient civilizations, widely Bo objects, outstanding people.
中国这个有着五千年历史的文明古国，地广物博，人杰地灵。
However the ties of friendship and exchange between our ancient civilizations go back hundreds of years.
然而，我们两个文明古国的友好交往可以追溯到几百年前。
We have had ancient civilizations that were very complex, but our present civilization is the most complex.
我们古老的文明非常复杂，但我们现在的文明却是最复杂的。
As one of the four major ancient civilizations, China has a long and continuous history and brilliant culture.
中国作为世界四大文明古国之一，有着悠久的历史与灿烂的文化。
Human civilizations are all originated along big rivers, for example, the four ancient civilizations of the world.
人类的文明，最早均起始于大江大河之畔，世界四大古代文明都发源于一些著名的河流两岸。
If you look back in history, ancient civilizations used to carve letters on stone and clay. This seems very antiquated today.
回顾历史，古人把文字记录在石头或者粘土上，这在今天看来是非常落后的。
Of all the ancient civilizations, only Chinese civilization can endure years of agonies and still keeps sufficient vitality.
在所有的古代文明中，只有中华文明经历了岁月的沧桑，却依旧保持着充分的活力。
His study joins a burgeoning collection of research documenting climate's role in the rise and fall of ancient civilizations.
他的研究与许多新兴研究一起，记录了气候变化对古代文明盛衰的影响。
Ancient civilizations of China since ancient times, and the stresses of civilization is the traditional virtue of our country.
中国自古以来就是文明古国，而讲文明也是我们国家的传统美德。
China and India are two ancient civilizations. The culture interaction between two countries can be dated back into ancient time.
中印两国同属世界文明古国，两国之间的文化交流可以追溯到古代。
The two countries are countries with ancient civilizations, have at different times with the most profound guide civilized world.
两个国家都是文明古国，都曾在不同时期以其最博大精深的文明引导世界。
For his part, Krishna said India and China were ancient civilizations exerting important influence on the international affairs of this century.
克里希纳表示，印中两国都是文明古国，对21世纪国际事务有重要影响。
For his part, Krishna said India and China were ancient civilizations exerting important influence on the international affairs of this century.
克里希纳表示，印中两国都是文明古国，对21世纪国际事务有重要影响。
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