英语听力：自然百科 大堡礁 自然奇迹(22)（在线收听）

The snail appears to release chemicals that paralyse its victim.

鸡心螺释放的一种化学武器麻倒了猎物。

The goatfish seems powerless to escape as it's swallowed alive.

绯鲵鲣无力反抗或逃跑，被整个活吞下去。

Moments later, a venomous barb inside the snail puts the fish out of its misery.

片刻后鸡心螺体内的毒刺帮它结束了痛苦。

In a place where even seashells are deadly,remaining undetected is essential if you want to survive the night.

在这个连贝壳类也如此血腥的地方，想要生存，夜晚不被发现是必要的。

And simply hiding is not enough.

简单的躲藏显然不够。

Just a hint of your scent wafting into the current can attract trouble.

飘进水流中的一丝气味都会引来大麻烦。

The parrotfish has come up with an elegant solution in a form of a sleeping bag made out of membrane.

鹦鹉鱼对此有极为妥善的处理方法，它们睡在自制的薄膜般的睡袋里。

It stops the smell spreading along the reef and being picked up.

这个睡袋可以阻止自身气味散发。

It's a very good way if you're a parrotfish of ensuring you get a good night's sleep.

这对鹦鹉鱼来说，是睡个好觉的妙招。

No one has ever filmed a parrotfish making its cocoon before.

以前没人成功录制过鹦鹉鱼睡袋的制作过程。

It starts by exuding a layer of mucous around its body.

鹦鹉鱼先分泌出一层粘液粘在身上。

It then draws water into its mouth and pushes it out of its gills, blowing up the mucous bubble around it.

然后用嘴吸进水，再用腮吸出来。