limestone

名词 limestone:

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

1. First, ore is mixed with coke and limestone.
   先把铁矿石和焦碳、石灰石混合在一起。
2. The limestone absorb impurity from the ore and form a fluid slag which floats on the surface of the heavier molten iron.
   石灰石吸咐了铁矿石中的杂质，形成浮在较重的铁水表面上的流动渣。
3. Limestone cliffs; limestone walls.
   石灰岩峭壁; 石灰岩墙
4. We may burn limestone to obtain lime.
   我们可以通过烧石灰石来得到石灰。

lime.stone

n.（名词）
A common sedimentary rock consisting mostly of calcium carbonate, CaCO3, used as a building stone and in the manufacture of lime, carbon dioxide, and cement.
石灰岩：一种普通沉积岩，主要成分为碳酸钙，CaCO3，用于建筑，并用于制造石灰、二氧化碳和水泥
n.attributive.（定语名词）
Often used to modify another noun:
用于修饰另外的名词：
例句：
limestone cliffs; limestone walls.
石灰岩峭壁；石灰岩墙