Racism is a deeply rooted prejudice which has existed for thousands of years.
种族主义是一种已存在了数千年的根深蒂固的偏见。
The last paragraph contains an anachronism. The Holy Office no longer existed at that time.
最后一段有一个年代错误。宗教裁判所那时已不复存在了。
Sectional conflict—which also existed between North and South—deserves further investigation.
研究存在于南北之间的地区冲突值得进一步研究。
Ant societies existed in something like their present form more than seventy million years ago.
蚂蚁社会大约在七千万年前就以类似现在的形式存在。
It might surprise you to learn that restaurants, as we know them, have only existed for a few centuries.
当你得知我们所知道的餐馆只存在了几个世纪，你可能会感到惊讶。
To begin with, they will have to find out whether life has ever existed on the planet of Mars in the past.
首先，他们必须搞清楚火星上是否曾经存在过生命。
Of course, it was an element the periodic table let us to expect existed before anyone had found it or made it.
当然，它在被人发现或制造前，就是一种元素周期表使得我们期待其存在的元素。
Although undertones of class conflict existed beneath such hostility, the opposition was primarily geographical.
尽管阶级冲突的底蕴存在于这种敌对情绪之下，但反对派主要来自地域。
The prediction was that an element with the same atomic number existed somewhere, but it just hadn't been found yet.
据预测，某个地方存在一种原子序数相同的元素，但它还没有被发现。
If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet.
如果早期的太阳比现在的太阳暗淡，也没有现在这么炙热的话，那么液态水就不可能在这两个星球上存在。
For example, the Rio Grande pueblos already existed when the United States acquired sovereignty over New Mexico in 1848.
例如，当美国在1848年获得新墨西哥的主权时，大草原就已经存在了。
So the history of fireworks shows us the diverse relationships which existed between scientists, technicians and the rest of society.
因此，烟花的历史向我们展示了科学家、技术人员和社会其他人之间存在的各种关系。
In choosing a method for determining climatic conditions that existed in the past, paleoclimatologists invoke four principal criteria.
在选择确定过去存在的气候条件的方法时，古气候学家援引了四个主要标准。
British archaeologist Howard Carter knew that the tomb of the Egyptian pharaoh Tutankhamun existed from information found in other sites.
英国考古学家霍华德·卡特从在其他遗址中发现的信息里得知，埃及法老图坦卡蒙的坟墓是存在的。
While it is unknown just how much of this is true, it is certainly known that silk cultivation has existed in China for several millennia.
虽然我们不知道这其中有多少是真实的，但可以肯定的是，丝绸栽培在中国已经存在了几千年。
To establish such a chronology, it is necessary to determine the relative amounts of land ice that existed at various times in the Earth's past.
为了建立这样一个年表，有必要确定地球过去不同时期存在的陆冰的相对数量。
An obsession with time, saving, gaming, wasting, losing, and mastering it, seems to have been a part of humanity for as long as humans have existed.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
My impatience with the customs ritual indicated that Chloe, who I had not known existed a few hours ago, had already acquired the status of a craving.
我对海关例行公事的不耐烦暗示着，几小时前我还不知道存在的克洛艾，已经产生了渴望的状态。
Even setting aside the unproven hints of ancient oceans, the extent of the outflow channels suggests that a huge total volume of water existed on Mars in the past.
即使不考虑未经证实的古代海洋迹象，流出渠道的范围表明，过去火星上存在着大量的水资源。
Unfortunately, it is in the nature of the archaeological evidence, which is almost invariable only a sample of what once existed, that such figures will always be elusive.
不幸的是，从考古学证据的性质来看，这类人物总是难以捉摸的，因为考古学证据几乎是一成不变的，只是曾经存在过的东西的一种样品。
Wildberg master-widows were not untrained for, as Ogilvie notes elsewhere, wives and children worked with masters, their training may have been informal, but it existed nevertheless.
怀尔德伯格主妇并非没有受过训练，因为正如欧吉维在其他地方指出的那样，妻子和孩子与主人一起工作，他们的训练可能是非正式的，但它仍然存在。
我们靠吃大米过活。
The idea already existed in embryo in his earlier novels.
这个想法在他早期的小说中已初见端倪。
The Visas Mantis program already existed by then.
“螳螂签证”在此之前就已存在了。
Different types of bacteria existed on public-toilet floors.
公共厕所的地板上有不同类型的细菌。
"The possibility certainly existed that it was a kite," he says.
他说：“那确实有可能是风筝。”
The gastro-pub has existed in various locations in Hong Kong since 2002.
2002年起，美食酒吧已经在香港各地陆续出现。
Photographic evidence suggests that liquid water once existed in great quantity on the surface of Mars.
照片证据表明，液态水曾大量存在于火星表面。
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