Noun:

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

limitn.限度；限制；界限vt.限制；限定limerickn.五行打油诗Limestones灰岩limestone oil石灰沉积中石油limestone log石灰岩测井limestone bin石灰石仓limestone ore石灰石矿limestone sink石灰岩渗坑limestone area石灰岩地区limestone mine石灰石矿limestone WFGD石灰石湿法烟气脱硫limestone kiln石灰窑,石灰炉

1. Caves form when water infiltrates limestone.
   水渗透石灰石则形成洞穴。
2. We may burn limestone to obtain lime.
   我们可以通过烧石灰石来得到石灰。