ATOLL
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Example

The atoll shelters a calm lagoon ideal for snorkeling.

这座环礁庇护了一片平静的泻湖，十分适合浮潜。

Definition

A ring-shaped coral reef or island encircling a lagoon

  • Usually formed by coral atop a subsiding volcanic island

环形的珊瑚礁或岛，围绕着一个泻湖

  • 通常在下沉的火山岛上由珊瑚堆积形成