Atoll

['ætɒl;ə'tɒl] or ['ætɔl]

解释:

(noun.) an island consisting of a circular coral reef surrounding a lagoon.

校对:托妮--From WordNet

解释:

(n.) A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island.

埃尔伯特编辑

解释:

n. a coral island consisting of a circular belt of coral enclosing a central lagoon.

编辑:卡蒂