The frozen seas of the arctic and Antarctic each had their surveys, too.

考察范围还包括了北冰洋和南极洲的冰冻海洋。

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The frozen seas here are a harsh realm to explore, but they're anything but bleak, sustaining a variety of life above and below.

这里的冰冻海洋是严酷的探索领域，但并不荒凉，维持着海面上下各种各样的生命。

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FOR over a decade Royal Dutch Shell, along with its Japanese partners, Mitsui and Mitsubishi, has been struggling to coax oil and gas out of the frozen seas off Sakhalin Island, in Russia's far east.

十多年来，英荷皇家壳牌公司及其日本合作伙伴，三井公司和三菱公司，一直试图劝诱俄罗斯，在其远东的萨哈林岛（库叶岛二号项目）附近冰封的海上开采石油和天然气。

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This letter jarred upon her dream, but after a few days of bewilderment, she returned to her frozen seas and snow.

NPR: Excerpt: 'The Member of the Wedding'

At the end of the winter, the frozen seas cover 15.7m square kilometres (6.1m square miles), an area more than one and a half times that of the United States.

ECONOMIST: An imminent answer to an Arctic riddle

They tell of journeys to the South Seas and the frozen north, of 'worthy men' given up to whales, sharks and fever.

BBC: The haunted land of New England