“石灰岩”用英语怎么说

石灰岩常用于建筑.Limestone is often used in building construction.石灰岩上有许多缝隙，故而树根能从岩洞顶部长出来。The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.当地石灰岩渗透性很强。The local limestone is very porous....