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Pacific spotted dolphin.
太平洋花斑原海豚。
They're guided by their sonar.
它們靠聲納導(dǎo)航。
The dolphin, as so often, are working as a team, synchronizing their attacks, to confuse their prey.
海豚經(jīng)常團(tuán)隊(duì)合作，協(xié)同攻擊，來迷惑敵人。
As dawn approaches, squid and fish and plankton retreat downwards, to shelter in the darkness.
黎明來臨，魷魚、魚和浮游生物再次下沉隱沒在黑暗中。
Some of these isolated volcanoes rise as much as nine thousand meters from the sea floor, reaching close to the surface.
有一些成為孤島的火山高聳在海床上達(dá)9000米，幾乎快要到達(dá)海面了。
Around these peaks invigorated by daily sunshine
這里的日照非常充足，
marine life flourishes in spectacular abundance.
海洋中的生物在這里大量繁榮。
Fish crowd here,
魚類在這里大量匯聚，
because the volcano forces nutrients to the surface, encouraging the plankton to bloom.
因?yàn)榛鹕狡仁寡罅靼押５椎酿B(yǎng)分送上水面，使得浮游生物十分旺盛。
