听力文本

There are 50 million of them.
迁徙的红蟹数量多达五千万只。
It's an event that has brought the island worldwide fame.
这一景象让这座岛屿举世闻名。
But in recent years, millions of red crabs haven't managed to reach the sea.
但近些年来，数以百万的红蟹未能成功抵达海洋。
An invader has occupied this island. Yellow crazy ants.
一种入侵物种占领了这座岛屿。黄疯蚁。
They escaped from visiting ships and with no predators to control them,
它们搭乘来访的船只来到岛上，由于缺乏天敌控制，
they have now created vast super colonies in the forest.
它们在森林里建立了巨大的超级蚁群。

When migrating red crabs march into their territory, the ants attack.
当迁徙的红蟹经过它们的领地时，黄疯蚁便展开攻击。
Squirting acid into the crabs' eyes and mouths.
它们朝红蟹的双眼和嘴中喷射酸液。
The crabs have no defence.
红蟹毫无还手之力。
Blinded and confused... they're doomed.
双目失明，迷失方向，它们便死定了。
Humans brought these ant invaders here, and now humans are having to control them.
是人类把这些蚂蚁入侵者带上了岛，而现在人类不得不采取措施控制局面。

视频及简介

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