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4391 篇文章
Gazing ever upwards, it watches for prey, silhouetted against the faint glimmerings of light from the surface.
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Gazing ever upwards, it watches for prey, silhouetted against the faint glimmerings of light from the surface. 向上凝视, 可让它在微弱光线的环境下发现猎物的影像

a small relative of shrimps and crabs.
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a small relative of shrimps and crabs. 与虾和螃蟹有一定的亲戚关系

The blade-like projections on either side of the head help to steer plankton into the manta's mouth.
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The blade-like projections on either side of the head help to steer plankton into the manta's mouth. 头部对称的2块刀片状的凸状物 帮助蝠鲼把浮游生物送到嘴里

In three years' time, it'll be one of the oceans most formidable hunters weighing sixty kilos.
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In three years' time, it'll be one of the oceans most formidable hunters weighing sixty kilos. 再过3年,它将重达60公斤 成为海洋中强大的猎手

Every night, wherever conditions are right, countless millions of creatures from the deep migrate to the surface, seeking food.
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Every night, wherever conditions are right, countless millions of creatures from the deep migrate to the surface, seeking food. 如果环境适宜, 每天晚上会有无数的深海生物到海面来觅食

and, at last, the mackerel sink below the diving range of the birds.
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and, at last, the mackerel sink below the diving range of the birds. 最后,竹荚鲭也逃出了猛鹱的攻击范围.

The news has spread. Now a number of schools are on their way.
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The news has spread. Now a number of schools are on their way. 消息传开,大量的真海豚上路了

They're heading towards the Azores volcanic islands a thousand miles west of Portugal.
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They're heading towards the Azores volcanic islands a thousand miles west of Portugal. 它们向亚速尔游去 葡萄牙以西1000英里的火山群岛

school of dolphin five hundred strong.
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school of dolphin five hundred strong. 一群多达500条的真海豚

enable it to soar through the water, with the least expenditure of energy.
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enable it to soar through the water, with the least expenditure of energy. 可以让它花费很小的力量在水里巡游