crinoidal limestone

例句：

1. 1. The fossils found in thecoral limestone are of great scientific interest.
   在珊瑚石灰石中发现的化石具有极大的科学兴趣。
2. 2. The construction of this bridge wasmade possible by the discovery of a newtype of crinoidal rock.
   这座桥梁的建设得益于发现了一种新型的珊瑚石灰石。
3. 3. Thecrinoidal formations are often usedas building materials due to their durability andstrength.
   由于其耐用性和强度，珊瑚石灰石常被用作建筑材料。