BBC听力 | 无垠深海 15
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It's a master of disguise.
章鱼是伪装的大师。
The nautilus keeps well clear of them.
鹦鹉螺必须远离它们。
It's small tentacles carry highly developed chemical sensors
它的小触手有非常灵敏的化学感觉器，
which can detect traces of both predators and prey.
可以探测到敌人和猎物的踪迹。
It uses it's water jet to dig in the sand.
鹦鹉螺利用喷水器挖沙子。
Because it devotes so little energy to swimming, it only needs a meal once a month.
因为它游泳耗费的能量极少，所以只需每个月吃1顿饭。
Got something. And just as well.
得到什么东西了。如愿以偿。
Dawn is approaching and it has to puff it's way back, to deeper waters.
黎明快到了所以它必须回到深海里去。
Thirty miles away, shoals of squid are jetting upwards towards the surface.
30英里外的海上，大量的鱿鱼游到海面上。
By night, they seek small fish among the plankton, but they're cautious.
晚上，鱿鱼寻找浮游生物和小鱼，不过它们必须谨慎。
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