BBC听力 | 火山列岛 12
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Daylight reveals another reef predator.
日光揭示了另一个暗礁上的捕食者
Crown-of-thorns starfish,
荆棘王冠海星
coral killers.
珊瑚杀手
Climbing over their prey,
荆棘王冠海星爬过它们的猎物
they secrete digestive juices that turn the inside of the coral to liquid.
分泌出能使珊瑚内部变成液体的消化液
Then they suck out the nutrients,
然后它们吸收消化液中的营养
leaving nothing behind but a ghostly skeleton.
只留下一个幽灵般的骨架
In only a few days,
仅仅在几天之内
they can kill huge swathes of the reef.
它们可以杀死大片的珊瑚
Fortunately, coral has an unlikely ally,
幸运的是 珊瑚有一个不算是盟友的盟友——
the Triton's trumpet.
大法螺
Believe it or not,
信不信由你
this is a predator on the prowl.
这是一个伺机而动的捕食者
Its killer pounce revealed only when time is speeded up.
只有时间加快，这只杀手的“突袭”才能显现出来
An unlikely hero, perhaps.
这大概是一个不像英雄的英雄
But the Triton's trumpet is an invaluable control on these starfish.
但是大法螺提供了对这些海星宝贵的控制
And the crown-of-thorns isn't the only coral killer on the reef.
荆棘王冠海星并不是珊瑚礁上唯一的珊瑚杀手
The razor-sharp beaks of bumphead parrotfish
隆头鹦嘴鱼的锋利的嘴
also put a dent in this living landscape.
也会在珊瑚礁上留下不美好的景象
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