During the time of the roman Empire (37 BC-476 AD), it was very difficult to make purple dye.
在罗马帝国时期（公元前37年-公元476年），制造紫色染料非常困难。
The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
Iran traces its national origin to Persia, an empire that emerged in the 6th century BC under the Achaemenid dynasty.
伊朗的起源可以追溯到波斯，一个形成于公元前6世纪在契美尼德王统治下的古老王朝。
From 180 BC, a series of invasions from Central Asia followed, with the successive establishment of the Indo-Greek, Indo-Scythian and Indo-Parthian kingdoms, and finally the Kushan Empire.
从公元前180年起，来自中亚的一系列入侵不断出现，随之连续成立了印度希腊人、印度斯基台人和印度帕提亚人的王国。
In 480 BC, Athens lay in ruins conquered by the seemingly unstoppable Persian Empire.
公元前480年，锐不可挡的波斯帝国大军攻克雅典，雅典夷为废墟。
By 27 BC, Rome had become an empire, which controlled many parts of Europe. Likewise, China's influence also spread across other countries.
公元前27年，罗马已经成为一个帝国，控制了欧洲的许多地区。同样，此时的中国也将自己的影响力延伸到了其它国家。
Beginning in 31 BC, the famous Pax Romana was a period of splendid prosperity for the great empire. Two glorious centuries of peace and order blessed Rome and her colonies.
自西元前31年开始是著名的和平时期，伟大帝国的黄金时期，罗马及各殖民地享受长达两世纪光荣的和平安定时期。
As one of the World's Ancient Civilizations, Persia established the first great empire crossing three continents of Europe, Asia and Africa in the world's history as early as the 6th century BC.
波斯是世界文明古国之一，早在公元前6世纪就建立了世界历史上第一个地跨欧亚非三洲的大帝国。
Captured by Rome in 178 bc , it was a major naval station of the Hapsburg empire and passed to Italy in 1919 and to Yugoslavia in 1947. Population, 47,414.
公元前178年被罗马占领，是哈布斯堡帝国的重要军港，1919年划归意大利，1947年划归南斯拉夫。
Small terra-cotta figures from 3000 BC have been found in Greece and others throughout the Roman Empire from the 4th century BC.
在希腊曾发现公元前3000年时代的小型赤陶塑像；其后一直到公元前4世纪的赤陶制品也有发现。
The great wall (Qin 221-260 BC) has played a significant role in the Chinese history and defended the country from the same Ottoman Empire.
长城（秦，公元前221-260年）在中国历史上占有重要地位，它为中国防御着同一个奥斯曼帝国。
The 3rd century BC was the period of the Mauryan empire, the first great empire of India.
公元前三世纪是孔雀王朝，印度第一个大帝国形成的时期。
From the 14th to the 9th centuries BC it was the first capital of the Assyrian Empire, a city-state and trading platform of international importance.
公元前14世纪到公元前9世纪，亚述古城是城市国家亚述帝国的第一个都城，是重要的国际贸易平台。
Trapped in various conflicts both within and outside the Persian Empire, from the 5 century BC, a sharp decline since then.
困于内外重重矛盾的波斯帝国，从公元前5世纪末起便急剧衰落。
Early in the Roman Empire, around what we would now call 400 BC, a calendar with a year of 365 days was instituted.
早在罗马帝国时期，围绕什么，我们现在会说公元前400年，一个日历 ，与前一年的365天被提起…
Enamelwork was produced as early as the 13th century BC, reached its peak in the Byzantine Empire, and flourished throughout medieval and Renaissance Europe.
早在公元前13世纪开始就已生产珐琅制品，在拜占庭帝国达到颠峰，到中世纪和文艺复兴时期盛行于整个欧洲。
In the battle of the Granicus in 334 BC, the first of three major battles fought between Alexander the Great and the Persian Empire, Alexander came close to dying in combat.
公元前三三四年格拉·尼克斯河之役，是亚历山大大帝和波斯帝国三场大战中的第一场，亚历山大几乎战死。
In the battle of the Granicus in 334 BC, the first of three major battles fought between Alexander the Great and the Persian Empire, Alexander came close to dying in combat.
公元前三三四年格拉·尼克斯河之役，是亚历山大大帝和波斯帝国三场大战中的第一场，亚历山大几乎战死。
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