下一节比赛将驶向北方，带着你们进入帆船的游乐场：蓝色的加勒比海。

The next race takes you north through the blue water sailing playground of the Caribbean.

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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。

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.

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卫星地图显示了最近一场飓风“厄尔”的运行路径：一条宽阔的蓝色带状水域，从加勒比海向北延伸到美国东海岸。

Satellite maps reveal the track of the recent Hurricane Earl as a wide swath of cool blue water from the Caribbean up the East Coast of the U.S..

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