Lichens, symbiotic organisms that combine fungi and algae, can be powerful weathering agents, secreting chemicals called chelates that work to break down rock.
地衣，共生的有机体结合起来，真菌和藻类，可以是有力风化的动因和力量，所分泌的化学物质称为螯合物那造成岩石的破裂。
He managed to cling on to a ledge 40 feet down the rock face.
他设法抓住了岩面下方40英尺处的岩脊。
She helped him out of the water and sat him down on the rock.
她把他从水里拉出来，让他坐在岩石上。
The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.
解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。
A narrow waterfall trickled down the side of the rock, splashing into a pool of water.
一道窄窄的瀑布从石头的边缘流淌而下，溅入一个水池。
They mined the rock, artificially break it down and put the Phosphorus into agricultural fertilizers.
他们开采岩石，人工把它分解，然后把磷放进农业肥料里。
She bent down, picked up a rock, and threw it into the trees.
她弯下腰，拣起一块小石头，把它扔进树林里。
Quite near the rock, but out of sight, two heads were bobbing up and down, Peter's and Wendy's.
离岩石很近，但看不见的地方，有两个脑袋上下浮动，是彼得的和温迪的。
The oceanic plate is made of denser and heavier rock, so it begins to sink down under the continental plate and into the mantle.
海洋板块是由密度更大、更重的岩石构成的，所以它开始下沉到大陆板块之下，到地幔之中。
The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.
后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。
With a last effort Peter pulled her up the rock and then lay down beside her.
彼得作了最后的努力，把她拉到岩石上，然后躺在她旁边。
When you think you are lost, sit down on a log, or a rock, or lean against a tree, and recite something that you have memorized, to bring your mind to a point where it's under control.
当你发现自己迷路时，先坐在树桩或石头上，或者靠在树上，背诵一些自己记得的东西，让大脑冷静下来。
Rising more than 1,000 feet in the middle of the gently rolling plains of Wyoming, the massive column of rock looks as though it was dropped down into this location from a different time and place.
在怀俄明州平缓起伏的平原中央，巨大的岩石柱高出了1000多英尺，看起来就像是在不同的时间、不同地点掉落在此的。
The water is usually naturally occurring groundwater that seeps down along fractures in the rock; less typically, the water is artificially introduced by being pumped down from the surface.
水通常是自然形成的地下水，沿着岩石的裂缝渗出；不那么典型的是，水是通过从地表抽水而人工引入的。
When rolling down the hill, he snatched at a rock.
在向山下滚的过程中，他一把抓住了一块岩石。
The frame’s columns however are free to rock up and down within steel shoes secured at the base.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
A man walking in the night slipped from a rock afraid that he would fall down thousands of feet, because he knew that place was a very deep valley.
一个人在夜间行走时，不小心从岩石上滑落了下来。因为他知道这个地方是一个十分深的山谷，所以他害怕自己会一下子跌下去。
He plunged down again. He could see nothing through the stinging salt water but the blank rock.
他又一次潜到水中，除了那块岩石，透过咸咸的刺人眼痛的海水，他什么也看不见。
Landslides occur when masses of rock, earth, or debris move down a slope.
当大量的岩石，泥土或者瓦砾沿斜坡下滑时就形成了滑坡。
When a dam is built, the accumulating water presses down upon the rock below.
当大坝建成，逐渐积累的水压压向下方的岩石。
We'd sing songs about crop rotation and vomiting babies, and we'd sit down at rock concerts.
所有的情歌都会消失，我们会唱关于农作物季节变迁和呕出婴儿，我们都在石头上在听演唱会。
We do not know much yet about the moon's mantle, that section of superheated rock which goes down hundreds of miles below the crust.
我们对月球地幔所知不多，那些过热的岩石在外壳几百英里以下。
This hits with perspective from 100 years ago, when rock climbing meant soloing up, then down, whatever Dolomites objective loomed.
这门技艺在100年前更是行走江湖的不二法门，当人们对白云石山脉萌生向往的时候，攀登就意味着无保护徒手上下。
The Red Jumpsuit Apparatus enjoyed a good deal of crossover success in 2007, when "Face Down" became an enduring single on both pop and modern rock radio outlets.
TheRed JumpsuitApparatus还在享受转型带来的成功，2007年单曲“FaceDown”成为了在流行和现代摇滚广播中的常久驻客。
The two injection sites being surveyed for the new carbon-sequestration project are under about 100 meters of water, and about 2, 500 to 3, 500 meters down in the rock.
为实施这项新的固碳项目科学家考察了两个注入地点，在约一百米水下，约2,500至3,500米的岩石深处。
A big rock rolled down and he only just escaped being hit.
一块大石头滚了下来，差点儿砸着他。
The frame's columns, however, are free to rock up and down within steel shoes secured at the base.
然而，钢架的柱子是可以随着摇晃自由上下摆动，有钢管托牢牢固定在基座上。
They pump water down an injection Wells (the blue well), where it is heated by the rock.
他们把水压入注水井(蓝井)下，在井里，岩石把水加热。
That said, one thing is clear: We live in the Anthropocene—an era when everything from the atmosphere to the layers of rock laid down for the future are dominated by human activities.
这就是说，有件事是非常清楚的：我们生活在“人类世”——一个当所有事物，从空气到岩层所奠定的未来，都由人类活动主导的时代。
That said, one thing is clear: We live in the Anthropocene—an era when everything from the atmosphere to the layers of rock laid down for the future are dominated by human activities.
这就是说，有件事是非常清楚的：我们生活在“人类世”——一个当所有事物，从空气到岩层所奠定的未来，都由人类活动主导的时代。
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