Lanikai beach is one of Hawaii's most famous beaches. Protected by a coral reef nearby, the water here is deep green, calm and peaceful.

拉尼凯沙滩是夏威夷沙滩中最出名的一个沙滩，它被珊瑚礁所包围着，海水是深绿色的，平静又美丽。

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The ship was intentionally sunk in 1987 off Key Largo to create an artificial reef 120 feet deep.

此船于1987年有意沉没于120英尺深的拉哥海岸，以制造一个人工岛礁。

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The engineering design and construction technique for reef blasting in deep channel of Meizhou are introduced in this paper.

作者介绍了湄洲深水航道炸礁爆破工程设计与施工技术。

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Basically, you take one deep breath, dive to the bottom of the reef and peer under the shelves where the lobster love to hide.

BBC: Lobster diving in the Abacos

We're reminded that the "Titanic" director is an avid deep-sea diver: Pandora's rainforest resembles a spectacular coral reef.

CNN: Review: 'Avatar' delivers on the hype