混凝土的这种奇特特性为罗马帝国的成功作出了重大贡献。
This strange characteristic of concrete made a significant contribution to the success of the Roman Empire.
随着罗马帝国向北扩张，它构建活动图的大部分时间是在太阳年前后。
As the Roman Empire expanded northward, it organised its activity chart for the most part around the solar year.
直到1500年后的罗马帝国末期，战车仍在游行和凯旋中占有一席之地。
Chariots maintained their place in parades and triumphs right up until the end of the Roman Empire 1,500 years later.
但直到1500年后的罗马帝国末期，战车仍在游行和凯旋中占有一席之地。
But chariots maintained their place in parades and triumphs right up until the end of the Roman Empire 1,500 years later.
Sepphoris的马赛克很可能是由来自罗马帝国其他地方的旅行工匠创造的。
The mosaics of Sepphoris were very likely created by traveling artisans from some other part of the Roman Empire.
随着罗马帝国的发展，罗马人需要控制海洋，为此他们需要建造能够容纳一支舰队的港口。
As the Roman Empire grew, the Romans needed to take control of the seas and for this they needed to build harbours capable of holding a fleet of ships.
我探险了罗马帝国、巴比伦、诺亚时代和亚伯拉罕时代。任何你能叫得出名称的时期，我都去过。
I explored the Roman Empire, Babylon, the times of Noah, and Abraham. Any era you can name, I went there.
在罗马帝国早期，剧作家有时会因为反对皇帝而被流放或处死；因此，塞内加的沉默可能只是出于谨慎。
In the early Roman Empire, playwrights were sometimes exiled or executed for line constructed as directed against the emperor; thus, Seneca's silence may be simple prudence.
在接下来的几个世纪里，在整个罗马帝国以及在中东和北欧边界以外的地方建造了越来越复杂的水力发电厂。
In the following centuries, increasingly sophisticated waterpower mills were built throughout the Roman Empire and beyond its boundaries in the Middle East and northern Europe.
罗马人开始了一场扩张罗马帝国的运动，在300年的时间里征服了地中海的大部分地区和欧洲的部分地区。
The Romans began a campaign to expand the Roman Empire, and in 300 years they had conquered most of the Mediterranean area and parts of Europe.
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。
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.
罗马帝国被北欧蛮族推翻了。
罗马帝国于公元106年并吞了纳巴泰王国。
罗马帝国把欧洲多数地区置于自己的统治之下。
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。
During the time of the roman Empire (37 BC-476 AD), it was very difficult to make purple dye.
他们在整个罗马帝国中应用这一原则。
杰里·波利特对于罗马帝国的覆灭的类比似乎十分引人注目。
Jerry Pollitt's analogy to the fall of Rome seems so very appealing.
希腊世界的关键是其强大的船队，而罗马帝国的关键则是它的步兵团。
The key to the Greek world lay in its high-powered ships; the key to Roman power lay in its marching legions.
这一时期初期最突出的特点之一是日耳曼将军在罗马帝国军队中的显著地位。
One of the most outstanding features at the beginning of this period was the prominence of Germanic generals in the high command of the Roman Imperial army.
在奥古斯都皇帝统治下的罗马帝国的鼎盛时期，他的肖像雕像被流传到了帝国各地。
Under the Emperor Augustus at the height of the Roman Empire, portrait statues were sent throughout the empire.
与东罗马帝国相比，西罗马帝国有很多劣势，包括外敌更多、物质资源和人力资源更少。
Compared to the Eastern Empire, the Western Empire had many disadvantages, including more foreign enemies and fewer material and human resources.
罗马帝国分裂成了两部分，这对西罗马帝国的损害尤其巨大，因为它依赖东罗马帝国的经济支持。
The division of the Roman Empire into two parts was particularly damaging for the Western Empire because it relied on the Eastern Empire for economic support.
罗马帝国灭亡后，在欧洲，第一个按照复杂的礼节规范私人生活行为的社会，是12世纪法国的普罗旺斯。
After the fall of Rome, the first European society to regulate behaviour in private life in accordance with a complicated code of etiquette was twelfth-century Provence, in France.
尽管在罗马帝国灭亡后的城市崩溃的几个世纪里，教堂的仪式一直保持着人们对计时的兴趣，但教堂的时间是自然的时间。
Although church ritual had sustained an interest in timekeeping throughout the centuries of urban collapse that followed the fall of Rome, church time was nature's time.
但到了5世纪，罗马帝国崩塌了，中世纪开始了，香料直接贸易停止了，所以人们对于香料的运输和来源地的直接认识也就中断了。
But when Rome collapsed in the fifth century and the Middle Ages began, direct trade of spices stopped, and so did that kind of hands-on knowledge of travel and geography.
我正在看一本关于罗马帝国兴衰的书。
I am reading a book about the rise and fall of the Roman Empire.
对强大的罗马帝国的态度？
埃及变成了罗马帝国所辖的一个省。
埃及变成了罗马帝国所辖的一个省。
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