reef

/rif/

a submerged ridge of rock or coral near the surface of the water

中文释义：礁石；暗礁；珊瑚礁

The Great Barrier Reef is one of the most diverse ecosystems on Earth.

大堡礁是地球上最多样化的生态系统之一。

Divers explored the colorful coral reef teeming with marine life.

潜水员探索了充满海洋生物的彩色珊瑚礁。