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5341 篇文章
The seals here thrive on a diet of fish and squid.
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The seals here thrive on a diet of fish and squid. 海豹在吃这里大量的鱼和枪乌贼(即鱿鱼)

but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals.
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but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals. 不过在南部非洲的大洋流带来的 充足食物能满足百万只海豹的需要

Sand dollars flat sea urchins cluster together as a defense
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Sand dollars flat sea urchins cluster together as a defense 成群的饼海胆叠加起来组成防御阵线

The sunflower starfish is a meter across, with an appetite for brittle stars.
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The sunflower starfish is a meter across, with an appetite for brittle stars. 向日葵海星长达1米 它喜欢吃蛇尾海星

yet barrens is a poor description.
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yet barrens is a poor description. 无法形容的荒凉.

The most fearsome predator here is a giant.
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The most fearsome predator here is a giant. 这里有可怕的大型掠食动物

The algal towers are as high as a three story house
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The algal towers are as high as a three story house 这片巨藻林有足有三层楼那么高

and they can grow by half a meter a day.
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and they can grow by half a meter a day. 它们每天还能长半米

In a few special places, however
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In a few special places, however 然而在少数特别的地方

Along the coast of California, ocean currents carry a constant supply of nutrients up from the depths to the surface layers.
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Along the coast of California, ocean currents carry a constant supply of nutrients up from the depths to the surface layers. 在加利福尼亚沿海,洋流持续不断的把养分从海底 带到海平面上来