- and there, other predators await them.
因为那里还有掠食者在等着鱼儿们 - Cory's shearwaters. They're waiting for the dolphin to drive the prey closer to the surface.
猛鹱 正在等着海豚把猎物赶上水面 - Now the shearwaters can dive down on them, descending to twenty meters or more
猛鹱出动了 它们可以潜至20米甚至更深来捉鱼 - and the dolphins block the baitball's retreat.
海豚们锁定了从海面撤退的鱼群 - The dolphins leave as soon as they've had their fill
海豚吃饱后迅速离开了 - 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. - As the Sun disappears, a profound change takes place in the ocean.
昼去夜至,海洋发生了另一个重大变化
and the dolphins block the baitball's retreat. 海豚们锁定了从海面撤退的鱼群
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