limestone

noun

1. 石灰岩
   a type of white stone that contains calcium , used in building and in making cement

1. N-MASS 灰岩；石灰岩
   Limestone is a whitish-coloured rock which is used for building and for making cement.
   1. ...high limestone cliffs...
      高耸的石灰岩峭壁
   2. The local limestone is very porous.
      当地的石灰岩有很多孔隙。
   3. ...marine limestones.
      海相灰岩

1. Between the white limestone and the greyish pink limestone is a thin bed of clay.
   在白色石灰石和粉灰色石灰石之间是一层薄薄的黏土。
2. The limestone is sufficiently fissured for tree roots to have breached the roof of the cave
   石灰岩上有许多缝隙，故而树根能从岩洞顶部长出来。
3. The local limestone is very porous.
   当地的石灰岩有很多孔隙。
4. The large limestone caves are also quarried for cement.
   同时还在这些大石灰岩洞里开采水泥原料。
5. Cement is made from limestone.
   水泥是由石灰石制成的。
6. The samples were made of Jinan gabbro, Dianchangshan marble, Zhoukoudian limestone and Xiaolangdi sandstone.
   研究的岩石有济南辉长岩、点苍山大理岩、周口店石灰岩和小浪底砂岩。
7. Influence of Limestone Powder and Fly Ash on the Properties of Mortar under Dry Condition
   石灰石粉和粉煤灰对干燥状态下砂浆性能的影响
8. Iron is extracted from iron ore by heating the ore with coke and limestone.
   铁是通过用焦碳和石灰石加热铁矿石而提炼出来的。
9. Summarize and Research on Application of Limestone Powder in Concrete
   石灰石粉在混凝土中应用的综述与研究
10. The main soil types are mountain yellow-brown earth and limestone soil, and mountain marshy soils in localized areas.
    其主要土壤类型为山地黄棕壤和石灰土及局部的山地沼泽土。
11. Southern exposure protecting the terrace from wind; the soils are a mixture of limestone and clay.
    山坡的面南朝向保护了葡萄园免受风吹；土壤主要由石灰岩和黏土混合而成。
12. The results prove that high-density resistivity method used in the limestone regions has good practical results.
    结果证明了高密度电法应用在灰岩地区具有较好的实际效果和应用前景。
13. First, ore is mixed with coke and limestone.
    先把铁矿石和焦碳、石灰石混合在一起。
14. The limestone absorbs impurities from the ore.
    石灰石从矿石中吸收杂质。
15. The characteristics of the topography, climate, soil and vegetation in Shandong limestone mountainous region are analyzed.
    分析了山东省石灰岩山地的地形、气候、土壤和植被的特点。
16. A kind of sedimentary rock resembling limestone but consisting almost entirely of the mineral dolomite.
    一种类似石灰石的沉积岩，但几乎全部由矿物白云石构成。
17. Water softeners are designed to remove the minerals that are picked up from limestone: calcium and magnesium.
    水软化剂的目的是消除石灰岩中带出的矿物质：钙和镁。
18. This park features a spectacular limestone karst landscape with an underground river.
    普林塞萨港地下河国家公园以雄伟的石灰石喀斯特地貌和那里的地下河流而举世闻名。
19. The rock types of this section include limestone, silicalites, mudstone, shale, dolomite.
    该剖面岩以石灰岩为主，含少量的硅岩、泥岩、页岩和白云岩。
20. Carbon dioxide can be obtained from carbonates, limestone, the burning of organic fuels, and industrial fermentation.
    二氧化碳可从碳酸盐、石灰石、有机燃料燃烧以及工业发酵过程中制得。
21. To recover iron from its ores, the oxides are reduced by heating together with coke and limestone.
    为了从矿石中提炼铁，必须在铁氧化物中加焦炭和石灰石进行加热，还原出铁来。
22. The calcareous skeletons of this distinctive species have weathered out from the limestone matrix.
    这一独特物种的钙质骨骼已在石灰石矩阵中风化。
23. There the soil is from weathered limestone soil or loess.
    那里的土壤是经过风化作用的石灰石土壤或黄土。
24. The limestone, sandstone and shale of this area were soft.
    这个地区的灰岩、砂岩和页岩都是很柔软的。
25. We may burn limestone to obtain lime.
    我们可以通过烧石灰石来得到石灰。
26. Taking limestone for research objects, the thermal expansion property is studied under high temperature;
    以石灰岩为研究对象，对其在高温作用下的热膨胀特性进行了试验研究。
27. Limestone often contains small amount of magnesium oxide that is harmful to soundness of cement.
    石灰石中经常含有少量的氧化镁，这对水泥的安定性有害。
28. Limestone is rock composed of calcium carbonate.
    石灰石是由碳酸钙所构成的岩石。
29. With a little help from this Carbonic acid moving water forms most of the world's limestone caves.
    通过碳酸，流动水形成了世界上大多数的洞穴。
30. Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone.
    钙质沉积物堆积在海底，最后压紧并胶结形成石灰岩。

noun

1. a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals