The Byzantines were as secretive as the Chinese, however, and for many centuries the weaving and trading of silk fabric was a strict imperial monopoly.
然而，拜占庭人和中国人一样神秘，在许多世纪里，丝绸织物的编织和贸易是严格的帝国垄断。
Unburnt vegetation rots quickly, but black carbon persists in the soil for many centuries.
未燃烧的植物腐烂得很快，但黑碳在土壤中存留了好几个世纪。
Although conditions were very poor, people tried for many centuries to reach the North Pole.
尽管条件很差，人们还是花了好几个世纪的时间尝试到达北极。
Teotihuacán obsidian must have been recognized as a valuable commodity for many centuries before the great city arose.
在特奥蒂瓦坎这座伟大的城市崛起前数百年，它的黑曜石就必然已经被认为是极有价值的商品了。
This theory survived for many centuries.
这一理论延续了数百年。
Man has studied light for many centuries.
人对光的研究已进行了许多世纪了。
Teaching has been around for many centuries.
教学已经存在了许多个世纪。
The lost thing is discovered, hidden for many centuries.
埋藏了几个世纪，终于发现了这失落的东西。
The belief that the earth was flat persisted for many centuries.
认为地球是平面的观念延续了数个世纪。
In fact, whales were killed without limits for many centuries in the past.
事实上，鲸鱼在过去数世纪以来一直被无限制地捕杀。
Both China and Ottoman Empire used this production style for many centuries.
中国和奥斯曼帝国使用这种生产方式有几个世纪了。
Once in the atmosphere, CO2 stays up there for many centuries, scientists say.
科学家们说，二氧化碳一旦进入了大气，就会在那里呆上数个世纪。
Seal Engraving To the Chinese, a seal was for many centuries a symbol of power.
篆刻千百年来，对中国人来说，图章是权利的象征。
The commercial and intellectual importance of Alexandria continued for many centuries.
亚历山大城在商业上和知识上的重要性，持续了许多世纪。
In Europe. Latin was used as a common language for many centuries before people stopped using it.
在欧洲，拉丁语在人们停止使用它之前的几个世纪里被用作一门通用语言。
These well-known words, used for many centuries, are decisive for the understanding of what a marriage means.
这些众所周知的词语使用了许多世纪，对于理解婚姻的意义具有决定性的作用。
For many centuries in that temple, people had lived the same way, meditating and living a life of nonviolence.
很多世纪以来，在那所寺庙，僧侣都一如既往，打坐并践行非暴力的生活。
In Japan, for example, the traditional rice-based diet kept the population generally healthy and thin for many centuries.
例如，在日本，传统的主要吃米的饮食使日本人多个世纪一直普遍健康，身材苗条。
Carbon molecules emitted by fossil fuels and deforestation linger for many centuries in the atmosphere before breaking apart.
化石燃料和毁林排放的碳分子滞留于大气中，经过许多世纪才能分解掉。
For many centuries, Native Americans pulled turquoise from the earth using antlers, horns, hatchets, and other makeshift tools.
几个世纪以来，美洲土著用鹿角、羊角、斧头或其他工具从地上取出绿松石。
For many centuries the plant was thought to have medicinal USES and was sometimes used to treat those with emotional disorders.
很多世纪以来，这种植物都被认为有医疗用途，有时会被用来治疗情绪失常。
But even more amazing is the windcatcher, a passive cooling device that has been used in Asia and the Middle East for many centuries.
不过更精妙的还是招风斗——一种在亚洲和中东被使用了好几个世纪的被动冷却装置。
But even more amazing is the windcatcher, a passive cooling device that has been used in Asia and the Middle East for many centuries.
不过更精妙的还是招风斗——一种在亚洲和中东被使用了好几个世纪的被动冷却装置。
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