Of all the blue holes in the world, Sansha Yongle Blue Hole in the South China Sea is now the deepest.

目前在世界上所有的蓝洞中，中国南海的三沙永乐蓝洞是最深的。

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There are numerous blue holes around the world, but none as stunning as this one.

世界上有许许多多的蓝色大洞，但没有一个能比伯利兹的大蓝洞更令人拍案叫绝的了。

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The 2-millimeter-tall polyp, which forms vast coral reefs in the Caribbean Sea, holes up in its Marine fortress and waits for the moon to shift from its usual blue hue to a redder glow.

2毫米高的珊瑚虫(这种珊瑚组成了加勒比海广袤的珊瑚礁)，暗藏在自己的海洋堡垒里，等待着月光从平常的蓝色变化为红晕。

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In two thousand nine, a team of scientists spent two months researching blue holes on Bahamian islands including Andros and Abaco.

VOA: special.2010.11.10

Information gathered from these blue holes is helping scientists to increase their understanding of biology, archaeology and geology.

VOA: special.2010.11.10

Kenny Broad and his team spent time talking with native Bahamians to ask them if they knew where the team could find other blue holes.

VOA: special.2010.11.10

Scores of others, like Delores Culp, a 59-year-old military veteran, live in homes that still have blue tarps on roofs to cover holes, and now they're wondering if the flimsy coverings will stand up to wind and driving rain from Irene.

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Close by the proposed site are swimming holes, including Alvord Hot Springs and blue, glittering Borax Lake.

FORBES: Magazine Article

In some cases, sunlight shines through holes in the cavern ceiling, illuminating the beautifully clear, blue-tinted water giving it an otherworldly feel.

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