这地方正在开采石灰石。
基本成分是石灰石和黏土，比例为2:1。
The basic ingredients are limestone and clay in the proportion 2:1.
硫酸对石灰石的侵蚀非常厉害。
我们说过，硫酸可以溶解石灰石，对吗？
溶蚀作用使石灰石路面的灰岩深沟变宽变深。
Solutional processes have widened and deepened the grykes of the limestone pavement.
水泥是由石灰石制成的。
制造羟基磷灰石复合螺钉可以简化生产。
Manufacturing the screws out of the hydroxyapatite composite also simplifies production.
周围是一堆堆石灰石，像彩虹一样闪闪发光。
Round about, piles of lime-stone glistened in all the colours of the rainbow.
诺顿项目能够在一个废弃的石灰石矿中存储27亿瓦的电力。
The Norton project could store 2.7 gigawatts of power in an abandoned limestone mine.
幽深的探坑里显示了这些层层的石柱环是由冷冰冰的石灰石制成的。
Deep test pits have shown that the floors of the rings are made of hardened limestone.
考古团队还发现了两具保存完好的白色石灰石棺椁和四口木制棺材。
The team also found two sarcophagi of fine white limestone and four wooden coffins.
这种物质硬如磐石（石灰石主要就是由碳酸钙构成的），但易溶于酸。
The stuff is tough as a rock (limestone is made primarily of calcium carbonate), but it dissolves instantly in acid.
上图：卫生间是以前的主人装修的，有非常可爱的石灰石地砖。
Image above: the bathroom was put in by the previous owners and has a lovely lime stone floor.
在我们右手边沿着海岸线，是一排200英尺高的石灰石岩块，名为十二门徒。
To our right, off the coast, was a row of 200ft-high limestone stacks known as the Twelve Apostles.
这个国家拥有煤炭、铁矿石、石灰石、菱镁矿、石墨、铜、锌、铅和贵金属等矿脉。
The nation boasts veins of coal, iron ore, limestone, magnesite, graphite, copper, zinc, lead and precious metals.
因为3亿年前山洞是在水底的，山洞总的石灰石里有许多的贝壳，骨骼和珊瑚化石。
Because it was underwater 30 million years ago, the cave is made from limestone composed of fossilized shells, skeletons and coral.
在最新的一项研究中，研究人员在月岩和月陨薄碎片中找到了磷灰石的矿物颗粒。
In the new study, researchers located grains of the mineral apatite in thin sections from the moon rocks and meteorite.
他也完全归属于雕刻家，他经常从废弃的建筑物里偷取石灰石，因为他太穷，买不起这些材料。
He longed so much to be a sculptor he would steal limestone from abandoned buildings because he was too poor to buy his own materials.
石灰石的建筑紧密地搭靠着，就如书架上的书，很多屋顶成斜角，厚厚的门，生锈的铁栏杆阳台。
The limestone buildings were packed tight, like books on a shelf, many with pitched roofs, thick doors, and rusted iron verandas.
这个想法是，把石灰石转化为石灰(与水泥工业中的那些过程类似)，然后将这些石灰施向海洋。
The idea is to convert limestone into lime (a process similar to those used in the cement industry) and to add the lime to the oceans.
她说道：“这想技术基于水和油的化学性质，它们的特殊性质能将二氧化碳转化成石灰石类物质。”
She said: "This technology is based on the chemistry of oil and water and has the special property of transforming carbon dioxide into a limestone-like substance."
1987年，国家地理协会的一组工作人员来在地下室封口的一块石灰石上钻孔，安装了一个录像机。
In 1987, a team from the National Geographic Society drilled a hole through one of the limestone blocks sealing the chamber from above, and inserted a video camera.
1987年，国家地理协会的一组工作人员来在地下室封口的一块石灰石上钻孔，安装了一个录像机。
In 1987, a team from the National Geographic Society drilled a hole through one of the limestone blocks sealing the chamber from above, and inserted a video camera.
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