1.
Rennell,86 km long x15 km wide, is the largest raised coral atoll in the world.
伦内尔岛长八十六公里，宽十五公里，是世界上最大的上升珊瑚环礁。
2.
coral island, coral reef, and atoll
珊瑚岛、珊瑚礁和环礁
3.
barrier reef
堡礁(一种珊瑚礁)
4.
The tiny tropical island was girdled about with a coral reef.
那个热带小岛四周有珊瑚礁环绕。
5.
International Coral Reef Initiative
国际珊瑚礁倡议(珊瑚礁倡议)
6.
A ringlike coral island and reef that nearly or entirely encloses a lagoon.
环礁一种环形的珊瑚岛或珊瑚链，接近或完全围绕于浅泻湖
7.
TIMS U-SERIES AND RADIOCARBON AGES OF IN-SITU MASSIVE CORALS ON THE REEF FLAT OF YONGSHU REEF, NANSHA ISLANDS, AND THEIR ENVIRONMENTAL SIGNIFICANCE
南沙永暑礁表层珊瑚年代结构及其环境记录
8.
Coral Reef Degradation in the Indian Ocea
印度洋珊瑚礁退化项目
9.
The ship hit a shelf of coral.
那艘船触上珊瑚礁了。
10.
The ship was wrecked on a coral reef.
那艘船触珊瑚礁失事.
11.
Coral Reef Strategic Action Plan
珊瑚礁战略行动计划
12.
ReefBase: a Global Database on coral Reef and their Resources
珊瑚礁数据库: 全球珊瑚礁及其资源数据库
13.
A small, low island composed largely of coral or sand.
珊瑚礁主要由珊瑚或沙子构成的低小岛屿
14.
When talking about corals, people normally refer to stony corals that build fascinating reefs.
每当提及珊瑚，我们便会联想到那些能建造珊瑚礁的石珊瑚。
15.
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
16.
And yet, in spite of all these hardships, the tortoises breed and proliferate.
尽管珊瑚礁上的环境如何恶劣 象龟仍然在那里繁殖
17.
On the Contrast Research Between Carboniferous Coral Reefs in Southern Guizhou and Modern Coral Reefs in South China Sea
黔南石炭纪珊瑚礁与南海现代珊瑚礁的对比研究
18.
Investigation on the Status of Coral Reef Resources and Medicinal Research in China Ⅰ. Coral Reef Resources and Ecological Functions
中国珊瑚礁资源状况及其药用研究调查 Ⅰ.珊瑚礁资源与生态功能