atolls造句

In the Pacific Ocean there are many coral atolls that are ring like islands.
太平洋中有许多环状的珊瑚岛.

Pacific Islanders, many living on coral atolls, are among those most at risk.
太平洋岛屿上的居民有很多住在珊瑚礁岛上, 他们面临的危险是最大的.

These snails do not occur on low-lying coral islands or atolls.
在地势低平的珊瑚岛或环礁上没有这种螺。

In the ebb, the part of the formation of atolls surface.
在落潮时, 部分的珊瑚礁露出水面形成珊瑚岛.

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