Late Permian reefs are widely distributed in South China, but most of them belong to sponge reefs.
中国南方晚二叠世生物礁分布广泛，但绝大多数属于海绵礁。
Sedimentary facies analysis of the Late Triassic Carnian siliceous sponge reef-oolite bank complex in northwestern Sichuan Province
川西北晚三叠世卡尼期硅质海绵礁—鲕滩组合的沉积相分析
Permian sponge-alga reef in Xingwuchang of Hunan;
湖南新屋场二叠纪海绵-藻礁
Sequence stratigraphy analysis and reservoir evaluation for Jiantianba spongy reef
见天坝海绵礁层序地层分析与储层评价
Sedimentary facies analysis of the Late Triassic Carnian siliceous sponge reef-oolite bank complex in northwestern Sichuan Province
川西北晚三叠世卡尼期硅质海绵礁—鲕滩组合的沉积相分析
Using this parameter，the chamber sponge of Xiangboreef in Longlin County in Guangxi is compared with that of Tunisian reef，the reappearanceratio of the former to the latter is 70 per cent.
根据计算，祥播礁的房室海绵在突尼斯礁中的重现率为70％。
LATE TRIASSIC (CARNIAN) SPONGE PATCHREEFS IN NORTHWESTERN SICHUAN BASIN
四川盆地西北部晚三叠世卡尼期的海绵斑块礁
Distribution and Controlling Factors of Siliceous Sponge Reefs in Western Sichuan Province
川西上三叠统海绵生物礁的分布及其控制因素
" The Great Barrier Reef is the world's largest living reef formation stretching 2,000 km north to south along Australia's northeast coast."
大堡礁是世界上最大的活珊瑚礁,分布在澳大利亚东北海岸,由北向南绵延2000公里。
A low offshore island or reef, especially in the Gulf of Mexico;a cay.
礁（尤指墨西哥湾内）海岸以外的低岛或礁；珊瑚礁
Under the seabed there are many submerged reefs.
海底下有许多暗礁。
The wave is splashing over the reef.
海浪飞溅着越过礁石。
Sponge titanium
GB/T2524-1981海绵钛
sponge platinum
GB/T1419-1989海绵铂
They say that inshore of the reef is a lagoon.
他们说在靠近海岸的暗礁之间有一个礁湖。
Feasibility Study on Constructing Reef in Deploying Reef Area of Laiwu,Chenhai in Guangdong Province
广东省澄海莱芜拟建礁区建礁可行性研究
The digestive cavity in the body of a sponge.
海绵的体腔海绵体内的消化腔
fringing reef
【地质】靠近海岸而与海平行的珊瑚礁
A coral reef may build up to the surface of the tropical ocean.
在热带海洋，珊瑚礁可一直筑到海面。
Inside was peacock water, rocks and weed'showing as in an aquarium.
礁石内侧：海水绚烂，暗礁林立，海藻丛生，就象水族馆的生态展览一样。
Microanatomy of Cavernous Sinus and Surgical Treatment of Cavernous Sinus Hemangioma;
海绵窦显微解剖与海绵窦海绵状血管瘤的显微手术治疗