limestone [i l=imst*un ]    (¼øÀ§: 7667 - ´ëÇÐ ¼öÁØ)  
¶æ ¸í) ¼®È¸¾Ï
Mean A common sedimentary rock consisting mostly of calcium carbonate used as a building stone and in the manufacture of lime, carbon dioxide, and cement.
¡¡