Other floating cities might be built in the open ocean.

其他的漂浮城市可以建在开阔的海洋里。

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They found fossils of microscopic marine plants which suggest that the region was once open ocean, not solid ice.

他们发现了微型海洋植物的化石，表明该地区曾经是开放的海洋，而不是坚固的冰层。

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Surrounded by open ocean, it is also vulnerable, but Antarctic experts disagree strongly on just how unstable it is.

它被广阔的海洋包围，也很脆弱，但南极专家对它的不稳定程度存在强烈分歧。

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"We have a community that has five or six beaches,open ocean."

VOA: standard.2010.02.23

One problem is that there is simply too much cheating in the open ocean.

ECONOMIST: Fishing and conservation

They found that during the period of study, eight of them ventured out into the open ocean.

BBC: Crocodiles 'surf' long distance on ocean currents

When that ice melts, huge expanses of darker, open ocean water absorb the heat instead, warming things up.

CNN: Polar bears resort to cannibalism as Arctic ice shrinks