这些石头都是天然形成的。
这个天然形成的溶洞被称为“山神洞”。
This natural limestone cave is called the "Cave for the Mountain God".
一条天然形成的小路穿过沼泽来到小院。
The original glade was crossed by a natural path through the house to the moor.
吡咯烷酮酸钠被认为是一种天然形成的滋润因素(NMF)。
Sodium PCA is thought to be a kind of natural moisturizing factor (NMF).
最先出现的遮蔽所毫无疑问是洞穴，它们是天然形成的，并且不需要后期的加工。
Those first shelters were undoubtedly caves, natural formations providing shelter without the need for construction.
四类自然中，除第一自然是天然形成的以外，其余三类都是人类干预后的自然。
The fourth nature is the damaged nature, in a resuming state after the damaging factor disappears. Sometimes, the human intervention can accelerate this process.
研究人员然后将这些创造的粒子和人类血液样本天然形成的纳米菌样粒子进行了比较。
The researchers then compared their creations with naturally occurring 'nanobacteria-like particles' from human blood samples.
尽管大多数陨石都是天然形成的，但也有少数人造天体会落入大气层，变成流星，甚至是“陨石”！
While most meteorites are natural in origin, on occasion manmade space debris can reenter the atmosphere and also become a meteor or even a meteorite!
砷和铅也是天然形成的金属元素，在工业上从制造杀虫剂到应用于电子工业，它们有着多种用途。
Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
球场保留了自然的地势景貌，更利用天然形成的岩石、丛林、湖泊等成为球道上的天然障碍区和球场景观点缀。
Court to preserve the natural topography of landscape, a more natural form of the rock, jungle, lakes and other natural barriers to become a fairway area and the golf course landscape decoration.
在峰峦之间，沟壑、峡谷纵横，溪流、池塘和瀑布随处可见，景区内还有40多个石洞和两座天然形成的巨大石桥。
Between the peaks lie ravines and gorges with streams, pools and waterfalls, some 40 caves, and two large natural Bridges.
矿物：一种天然形成的无机元素或化合物(无机物)，它有着有序的内部构造、特有的化学成分、结晶形式和物理性质。
Mineral: a naturally occurring inorganic element or compound having an orderly internal structure and a characteristic chemical composition, crystal form, and physical properties.
喀麦隆1986年的时候就发生过类似的惨案，当时深埋在尼欧斯湖底的天然形成的二氧化碳突然喷发，造成邻近村庄一千七百四十六人死亡。
That is what happened in Cameroon in 1986, when naturally occurring carbon dioxide trapped at the bottom of Lake Nyos erupted and killed 1, 746 people in nearby villages.
不寻常的是，这块天然形成的强壮骨骼使得Olson和Steadman相信始祖鸟是很少飞行的，而这恰是Jamacia地区得以进化的原因。
The unusual, robust nature of this bone led Olson and Steadman to believe that Xenicibis was flightless that had evolved on Jamacia.
不用担心——蜂蜜干了会形成天然的创可贴。
由于在无生命的地球上，天然有机化学系统很可能形成较简单的膜，所以本次古生物工程也采用较简单的脂质——主要是普通脂肪酸。
Because simpler membranes are more likely to have formed from the natural organic chemistry factory on prelife Earth, the protocell project is working on plainer lipids - chiefly ordinary fatty acids.
LROC网站有这样的介绍：“这座天然桥梁是如何形成的？”
采石场后面是一个悬崖，很难攀爬。在这面形成了一个天然的屏障。
Behind the quarries there is a steep not so easy to climb which was a natural defence from this side.
采石场后面是一个悬崖，很难攀爬。在这面形成了一个天然的屏障。
Behind the quarries there is a steep, not so easy to climb, which was a natural defence from this side.
氨基酸(组成蛋白质的基本单位)和肌氨酸(瘦肉中的天然化合物)在高温时产生反应，导致杂环胺的形成。
They're formed when amino acids (the building blocks of protein) and creatine (a natural compound found in muscle meats) react at high temperatures.
由于没有天然的出口，人工的沙尔顿海就这样形成了。
With no natural outlet, the artificial Salton Sea is here to stay.
在地球上，天然桥梁通常是由风和水侵蚀岩层形成的。
On Earth natural Bridges are the results of wind and water eroding away rock.
与此形成对照的是，商业捕鱼、旅游以及石油和天然气开采都将明令禁止。
In contrast, commercial fishing, tourism, and the extraction of oil and gas will all be forbidden.
这个地质公园是研究喀斯特地质地貌的形成和演变的天然博物馆。它就像是一本介绍喀斯特地貌的百科全书。
This geopark is a natural museum for studying karst formations, including the development and evolution of karst landforms; it's just like an encyclopedia of karst geology.
蒂姆已经走进了枫树的阴影之中，那里丛生的杂草已经沿路边形成了一道天然篱笆。
Tim had walked into the shade of the maple. Into the jungle of weeds that formed a natural fence along the road.
然后，他将这些在可控性条件下形成的雪花和天然雪花进行比较，来推断在天然雪花形成的过程都发生了些什么。
He then compares flakes grown in these controlled conditions with natural flakes, and is able to infer what was going on in the places where those natural flakes formed.
但是，IMF的贷款之所以得以解冻，一月份与俄罗斯在天然气价格上形成的僵持局面之所以取得突破，都得益于她的干预。
But it was thanks to her intervention both that the IMF loan was unblocked and that a breakthrough was made in the gas-price stalemate with Russia in January.
但是，IMF的贷款之所以得以解冻，一月份与俄罗斯在天然气价格上形成的僵持局面之所以取得突破，都得益于她的干预。
But it was thanks to her intervention both that the IMF loan was unblocked and that a breakthrough was made in the gas-price stalemate with Russia in January.
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