火山列岛 12-英语听力

[00:00.15]Daylight reveals another reef predator.
日光揭示了另一个暗礁上的捕食者 [00:05.50]Crown-of-thorns starfish,
荆棘王冠海星 [00:09.00]coral killers.
珊瑚杀手 [00:10.78]Climbing over their prey,
荆棘王冠海星爬过它们的猎物 [00:12.15]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 [00:17.02]Then they suck out the nutrients,
然后它们吸收消化液中的营养 [00:19.66]leaving nothing behind but a ghostly skeleton.
只留下一个幽灵般的骨架 [00:22.78]In only a few days,
仅仅在几天之内 [00:23.99]they can kill huge swathes of the reef.
它们可以杀死大片的珊瑚 [00:27.55]Fortunately, coral has an unlikely ally,
幸运的是 珊瑚有一个不算是盟友的盟友—— [00:32.28]the Triton's trumpet.
大法螺 [00:34.98]Believe it or not,
信不信由你 [00:36.29]this is a predator on the prowl.
这是一个伺机而动的捕食者 [00:40.34]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 [00:45.22]An unlikely hero, perhaps.
这大概是一个不像英雄的英雄 [00:47.71]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 [00:53.08]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 [00:57.75]The razor-sharp beaks of bumphead parrotfish
隆头鹦嘴鱼的锋利的嘴 [01:00.94]also put a dent in this living landscape.
也会在珊瑚礁上留下不美好的景象