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- An atoll is a circular reef surrounding a lagoon. 环礁是环绕着一个泻湖的环形礁石。
- Kanton is the only inhabited atoll. 坎顿是唯一有人居住的环礁。
- Bairiki, on Tarawa atoll, is the administrative center. 1979年该国从大不列颠中独立出来。位于塔拉瓦环礁上的拜里基是行政中心。
- Midway Atoll has the second largest population in the world. 全球第二大黑脚信天翁族群即群聚在太平洋的中途岛环礁。
- The Atoll Reef is the largest aquarium in Hong Kong. 海洋馆是香港最大的水族馆。
- 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。
- Napoleon fish are one of the animal highlights in Atoll Reef, Ocean Park. 苏眉是海洋公园海洋馆其中一种重点鱼类。
- Bairiki, on Tarawa atoll, is the administrative center.Population,56, 213. 位于塔拉瓦环礁上的拜里基是行政中心。
- Modern coral reefs in the ocean, reefs, Barrier Reef, the atoll three types. 现代海洋中的珊瑚礁，有暗礁、堡礁、环礁三种类型。
- S. nuclear test on the Bikini Atoll, 100 miles (161 kilometers* away. 美国曾在距此处100英里(161公里)以外的比基尼岛进行过核试验，因此这里遭到了放射性沉降物的污染。
- The 1st H-Bomb test was operated sucessfully on Eniwetok Atoll on May 12. Research on H-Bomb gaind rapid development. 1951年5月12日,第一颗氢弹爆炸试验在西太平洋的埃尼威托克岛成功完成。氢弹研究工作获得明显进展。
- A major feature of the island is Lake Tegano, which was the former lagoon on the atoll. 这个岛最主要的特色就是特加诺湖，它以前是环状珊瑚岛的泻湖。
- The capital of the Maldives,on Male,the chief atoll of the island country. Population 46,334. 马尔代夫首都，位于这个岛国的主环礁岛马累上。人口46，334。
- Sleek and swift, gray reef sharks cruise past a remote-control camera in the waters of the Bikini Atoll. 圆滑的体态，矫健的身姿，在比基尼岛(平洋中马绍尔群岛中的一个珊瑚岛)海面下一条灰鳍鲨游过摄影师的镜头。
- United States detonated her first hydrogen bomb, at Eniwetok Atoll in the Marshall Islands in mid-Pacific. 美国在太平洋中部绍尔群岛的埃尼威托克环礁爆炸第一颗氢弹。
- The capital of the Maldives, on Male, the chief atoll of the island country.Population, 46, 334. 马累马尔代夫首都，位于这个岛国的主环礁岛马累上。人口46，
- Because the wind blew lengthwise along the atoll, the house had been sheltered by the miles of coconut trees. 因为风是顺着岛的纵长方向吹过来的，这所房子得到好几公里宽的椰林的庇护。
- A large group of islands atoll n. 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。
- The capital of the Maldives, on Male, the chief atoll of the island country. Population,46,334. 马累马尔代夫首都，位于这个岛国的主环礁岛马累上。人口46，334
- Later, at Rangiroa Atoll, part of the Tuamotu Archipelago, the sharks knew we were coming. 之后，到土阿莫图群岛中的朗伊罗环礁时，鲨鱼知道我们会来。
