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Closer to the surface, corals have sunlight to help them grow.
靠近海面的珊瑚有光照助其生長
And thanks to the smallest trickle of nutrients,
仰賴營養(yǎng)物質(zhì)的緩慢流動(dòng)
a barren desert can bloom into an underwater oasis...
貧瘠的海底荒漠也得以發(fā)展為一片綠洲
supporting a greater variety of life than any other ocean habitat.
生活在此的生物種類比其他海洋棲息地更為多樣
These coral reefs are a magnet for green turtles,
這些珊瑚礁對(duì)綠海龜來說充滿了吸引力
offering a service not available in the open ocean - a good clean-up by a shoal of tangs.
在這里它們能享受到遠(yuǎn)洋海域所沒有的服務(wù)--刺尾鯛群提供的身體清潔
This work-over is far from cosmetic.
這項(xiàng)服務(wù)絕不是為了美容而已
As well as removing parasites, the cleaning stops the build-up of algae, so the turtle can swim freely.
魚群清潔不僅能去除寄生蟲，還能夠防止海藻的堆積，海龜才能暢游大海。
But it's also got to feel good!
但這一定也很舒服。
