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- A:A rock formation that is millions of years old. 那是一块经过数百万年而形成的巨大岩层。
- This rock formation feathered out. 这一岩层的末端凹凸不平。
- The metalliferous ore that fills a fissure in a rock formation. 矿脉在固体结岩中用于填充裂缝的金属矿床
- The gross physical character of a rock or rock formation. 岩性一种岩石或岩石构造的所有物理属性。
- Massive, granite rock formation s overlook beautiful, white-sand beaches. 庞大的花岗岩层俯瞰美丽的白沙滩。
- To protrude above the soil, as rock formations. 露出地表（如岩石形成物）伸出地表
- CUT TO BUTCH AND SUNDANCE, in the gated entrance made by the rock formation. 布奇和桑德斯。在岩石构造形成的入口处。
- A projecting part, such as an architectural structure or a rock formation. 突出物突出部分，如一种建筑结构或一种岩层
- Weird and wonderful rock formations. 离奇的怪石。
- He is studying the rock formations. 他正在研究岩石的结构。
- Strains in the earth's crest seem to pile up, mail the rock formations break with cracks into new positions, often causing large natural earthquakes. 地壳的应力似乎在积累着。直到岩层产生裂缝移位为止，这往往全引起大的自然地震。
- Most diamonds are mined from rock formations inside the earth. 大多数钻石都是从地下的岩层里开采出来的。
- Rock formations old as time have been exposed by natural erosion. 由于自然侵蚀，古老的岩层已经暴露在外。
- The rock formations break with cracks into new positions. 岩层产生裂缝而破裂移位。
- One can have an eye full of beautiful yet strange rock formations. 可见谷中千岩竞秀,石林挺秀。
- Mud is designed to prevent such accidents by counteracting the natural pressure of fluids in rock formation. 泥浆被设计为可以抵消岩层中流体的自然压力,从而防止发生此类事故。
- The priority is on keeping the exposed rock formation in the borehole stable while avoiding the loss of drilling fluid. 此时的重点是要保持钻孔中裸露岩层的稳定,同时还要避免钻井液流失。
- A rock formation in South Africa containing peridotite, in which diamonds are formed. 金伯利岩南非的一种包含橄榄岩的岩层，岩层中形成了钻石
- This unusual basalt rock formation resembles a great stone lion crouched by the cliff. 有巨石如狮状蹲伏于海崖。此景亦是柱状之玄武岩所形成，景致变化万千，蔚为奇观。
- In the igneous rock formation, CBIL shows fractures, vugs and weathered residual gravel clearly. 在火成岩地层中，它清晰地显示裂缝、孔洞以及风化残积的砾石。
