Pictures of this kind have been found on the walls of caves in France and Spain.
在法国和西班牙的洞穴墙壁上也发现过类似的照片。
Now there are some pretty interesting caves in parts of the western United States, especially in national parks.
现在在美国西部的一些地方有一些非常有趣的洞穴，尤其是在国家公园里。
Local people have also carved out over two hundred caves in the soft rock, and use them for everything from sacred burial places to food storage.
当地人还在这块松软的岩石上凿出了200多个洞穴。它们有着各种各样的用途，用作神圣的墓地也用作食物储藏室。
There are karst caves in Guilin.
桂林有溶洞。
天花板要是塌下来怎么办？
Mr Bliss always caves in to Mrs Bliss.
布利斯先生总是屈服于布利斯太太。
These coprolites came from a complex of caves in Oregon.
这些粪化石来自俄勒冈州一个复杂的山洞里。
The Dead Sea Scrolls were found in caves in the Judean desert.
死海古卷是在朱迪亚沙漠的山洞中发现的。
Man's ancestors lived in groups in caves in primitive times.
原始时代的人类的祖先们都是群居穴处的。
Walkways allow visitors to enter the caves in perfect safety.
步行道使游客可以十分安全地进入那些洞穴。
Build pool, pool, towers, tank, large containers, granaries, the caves in stores.
建造水池、游泳池、水塔、贮罐，大型容器、粮仓，山洞内贮存库。
Inthe early middle pleistocene, the karst caves in Yangchun area began to develop.
在中更新世早期，阳春地区的岩溶洞穴开始发育。
Now it's time to wear a lamp on your helmet like a mineworker to explore caves in darkness.
现在你可以像矿工一样，在安全帽上加上一盏探照灯，在黑暗中探索洞穴。
The ancient humans have been dubbed Denisovans after the caves in Siberia where their remains were found.
这一被称作Denisovan的古代人种得名于，其残骸被发现的，西伯利亚的一处洞穴。
Haroun Tazieff, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
波兰科学家哈罗恩·塔捷耶夫花了毕生的精力来研究世界各地的活火山和深洞。
This limestone country is laced with underground rivers and when the jungle roof caves in, it creates these enormous sinkholes.
这个石灰岩地质的国家地下河流蜿蜒流淌，地表茂密的森林形成这些巨大的灰岩坑。
Two northern European caves in particular show clear evidence of fire. But only relatively recently compared with when humans first showed up.
在欧洲北部的两个洞穴中就发现了火烧的明确证据，仅比人类的出现稍晚。
People have been living in caves in Shanxi for around 5,000 years, and it is believed that at one stage a quarter of the population lived underground.
山西人穴居的历史大概有5000年左右，据信，在某一时期，有四分之一的山西人都住在地下。
People have been living in caves in Shanxi for around 5, 000 years, and it is believed that at one stage a quarter of the population lived underground.
山西人穴居的历史大概有5000年左右，据信，在某一时期，有四分之一的山西人都住在地下。
Experts insisted they had ventilation and water of a sort-when a mine caves in, water flows to the bottom, where the workers were believed to be trapped.
相关专家坚信尽管他们在矿下有通风设备和水源，当矿井塌陷时，大量的水流入井底，也正是矿工被困的地方。
People lived in caves in prehistoric times. Scientists have learned much about early man by digging in cave floors and studying the artwork on walls and ceilings.
史前时期，人们居住在洞穴里。科学家挖掘洞穴地面，研究墙上和洞顶的艺术品，对早期人类已经知之甚多。
The olms studied by Voituron’s team are part of a population established 48 years ago to help conserve the rare amphibian, which is found in caves in Croatia and Slovenia.
48年前为了保护稀有的两栖物种，洞螈作为其中一种被人们保护了起来，当时是在克罗地亚和斯洛文尼亚的山洞里面找到了它们，这些洞螈中的一部分正是Voituron研究小组的研究对象。
Among our primitive ancestors, those who ventured farthest from their caves in search of better food or who overcame their fear of fire accrued significant advantages over their meeker kin.
在人类的原始祖先中，那些敢于走出洞穴到最遥远的地方寻觅更好的食物者，或者克服对火的恐惧者，自然积累了显著的优势，超过他们比较温顺的亲属。
Ancient scrolls were found in caves by the Dead Sea.
在死海边的洞穴里发现了古代的卷轴。
Another famous boneyard in the same region is a place called Wellington Caves, where Diprotodon, the largest known marsupial, was first discovered.
同一地区另一个著名的坟场是个叫做惠灵顿洞穴的地方，人们在那里第一次发现了双门齿兽——目前已知的最大的有袋类动物。
In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.
在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。
In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.
在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。
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