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。
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。
It has been suggested that Pakicetus fed on fish in shallow water and was not yet adapted for life in the open ocean.
有人认为巴基鲸以浅水中的鱼为食，还没有适应开放海域的生活。
Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.
在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。
In his free time, he enjoys open ocean swimming, and playing sports with his daughter, Christina.
在空闲时间，他喜欢在大海进行长距离游泳，以及和他6岁的女儿Christina打垒球。
England and France are separated by 22 miles of open ocean at their closest point.
英国和法国最近的地方也被大海分开了22英里。
The animals like this that are out in the open ocean and we don't see them washed up.
这样的动物都分散在广阔的海洋上，我们没有看到它们被冲到岸边。
The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
大陆是崎岖不平的高地，高出辽阔的海洋海底近三英里。
The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean .
这些大陆构成了崎岖不平的高地，这些高地差不多高出广阔的海洋的洋底三英里。
The life is like a slip on the open ocean, the goal is like a beacon, which gives us the direction of going.
生活就像茫茫大海中的一只小船，而目标就像一个灯塔，它给了我们前进的方向。
They harpooned tuna in the open ocean, killed seals on the beaches, and exploited seasonal runs of salmon in the rivers.
他们用鱼叉在开阔的洋面猎取鲔鱼，在海滩捕杀海豹，并开发在淡水流域洄游的鲑鱼资源。
In his free time, he enjoys long distance, open ocean swimming, and playing baseball with his 6-year-old daughter, Christina.
在空闲时间，他喜欢在大海中进行长距离游泳，以及和他6岁的女儿Christina打垒球。
The image shows subtle differences in thermal energy radiated by volcanic emissions, the open ocean, and water and ice clouds.
图中显示了火山喷发的气体、宽广的海洋、水和冰云在热能辐射上的细微差别。
The researchers found the most notable phytoplankton declines in waters near the poles and in the tropics, as well as the open ocean.
研究人员发现，在两极附近的水域和热带地区浮游植物的跌幅最为显著，在开阔的海洋也是如此。
With improvements in shipbuilding and with invention of the directional compass, seamen could travel out into the open ocean, out of sight of land.
随着造船水平的提高和方向罗盘的发明，海员可以航行到看不见大陆的公海上去。
I'd like to start tonight by something completely different, asking you to join me by stepping off the land and jumping into the open ocean for a moment.
今晚，我想以一种截然不同的方式作为开始，请你们和我一起暂时离开陆地，跳到广阔的大洋中。
The expedition, covering 2,500 miles, was organised by the Polynesian Voyaging Society to see if ancient seafarers could have gone that way, through open ocean.
此次远征由波利尼西亚航海协会组织，是要看看古代航海者是否可能曾经这么走下来——走开阔海域。
But with the tsunamis that head out to sea, some of the energy dissipates as the wave spreads outward across open ocean, like a ripple from a rock thrown into a pond.
但当海啸向海域进发，随着波浪向远洋扩散，能量也会逐渐消耗，这跟将一颗石块扔进池塘所引发的波纹是一样的道理。
The continental shelf here is about 600 meters (2,000 feet) deep, and as the warm water from the open ocean meets the shelf, it continues to flow toward land and rises beneath the floating glacier.
在这个地方的大陆架是大约600米深，当从外面来的暖流碰上大陆架，就会沿大陆架向上升到浮着的冰川下面。
The continental shelf here is about 600 meters (2, 000 feet) deep, and as the warm water from the open ocean meets the shelf, it continues to flow toward land and rises beneath the floating glacier.
在这个地方的大陆架是大约600米深，当从外面来的暖流碰上大陆架，就会沿大陆架向上升到浮着的冰川下面。
So the penguins in Antarctica that feed in the open ocean are doing okay; the penguin species that feed by just dropping off the ice shelves, like the Adelie and the emperor (pictured), are declining.
因此，在南极洲远海带捕食的企鹅适应得比较好，而只靠从冰架上跃入水中捕食的阿德利企鹅和帝企鹅(如图所示)则面临衰落。
So the penguins in Antarctica that feed in the open ocean are doing okay; the penguin species that feed by just dropping off the ice shelves, like the Adelie and the emperor (pictured), are declining.
因此，在南极洲远海带捕食的企鹅适应得比较好，而只靠从冰架上跃入水中捕食的阿德利企鹅和帝企鹅(如图所示)则面临衰落。
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