1·The basic ingredients are limestone and clay in the proportion 2:1.
基本成分是石灰石和黏土，比例为2:1。
—— 《牛津词典》
2·Sulfuric acid eats away at limestone very aggressively.
硫酸对石灰石的侵蚀非常厉害。
3·We've said that sulfuric acid dissolves limestone, right?
我们说过，硫酸可以溶解石灰石，对吗？
4·The nation boasts veins of coal, iron ore, limestone, magnesite, graphite, copper, zinc, lead and precious metals.
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。
5·Massive fans at many mines make it feel like you are standing in a wind tunnel. Coating the walls with limestone also can dampen the effects of coal dust.
许多矿井都设有大型风扇，运转起来，就好像你站在的大风口处，此外，在墙上覆盖一层石灰石也能降低煤渣效应带来的危害。
1·The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.
石灰岩裂开了足以让树根突破洞顶。
—— 《柯林斯英汉双解大词典》
2·It's the deepest limestone cave in the U.S.
它是美国最深的石灰岩洞穴。
3·Yes, so there's two kinds of limestone caves.
是的，所以有两种石灰岩洞穴。
4·Part of the limestone rock layer is permeated by water from below.
下面的水渗入了部分石灰岩岩层。
5·The sea had eaten into the soft limestone cliffs on which they had been built.
海水已经侵蚀了他们建造出的软石灰岩峭壁。
1·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。
2·Oolitic limestone can form anticlinal reservoirs, fault block reservoirs and stratigraphic reservoirs, and is the important reserve resource potential of the oil and gas exploration.
鲕状灰岩可形成背斜油藏、断块油藏、地层油藏，是值得重视的油气勘探后备资源潜力。
3·Algal limestone reservoirs appear to have relatively high gamma ray value in well logs and strong reflectance signatures in seismic profiles.
藻灰岩储层在测井曲线上显示出较高的自然伽马值，在地震剖面上表现为强反射特征。
4·In the same conditions of temperature, pressure and specific surface area, the start - up dissolution velocity of limestone sample is more than the dolostone 's one.
在相同温压、相同比表面积的条件下，灰岩类岩石样品的启动溶蚀速率大于白云岩类岩石样品的启动溶蚀速率。
5·The protolith of marble is limestone.
大理岩的原岩为灰岩。