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英语听力：自然百科 大堡礁：自然奇迹—22

时间：2014-10-29 07:21:41

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（单词翻译）

 The snail1 appears to release chemicals that paralyse its victim. 

The goatfish seems powerless to escape as it's swallowed alive.
Moments later, a venomous barb2 inside the snail puts the fish out of its misery3.
 
In a place where even seashells are deadly, remaining undetected is essential if you want to survive the night.
And simply hiding is not enough. Just a hint of your scent4 wafting5 into the current can attract trouble.
 
The parrotfish has come up with an elegant solution in a form of a sleeping bag made out of membrane6.
It stops the smell spreading along the reef and being picked up.
It's a very good way if you're a parrotfish of ensuring you get a good night's sleep.
 
No one has ever filmed  a parrotfish making its cocoon7 before.
It starts by exuding8 a layer of mucous9 around its body.
It then draws water into its mouth and pushes it out of its gills, blowing up the mucous bubble around it.

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1 snail 8xcwS     
n.蜗牛
参考例句：
  • Snail is a small plant-eating creature with a soft body.蜗牛是一种软体草食动物。
  • Time moved at a snail's pace before the holidays.放假前的时间过得很慢。
2 barb kuXzG     
n.（鱼钩等的）倒钩，倒刺
参考例句：
  • The barb of his wit made us wince.他那锋芒毕露的机智使我们退避三舍。
  • A fish hook has a barb to prevent the fish from escaping after being hooked.鱼钩上都有一个倒钩以防上了钩的鱼逃走。
3 misery G10yi     
n.痛苦，苦恼，苦难；悲惨的境遇，贫苦
参考例句：
  • Business depression usually causes misery among the working class.商业不景气常使工薪阶层受苦。
  • He has rescued me from the mire of misery.他把我从苦海里救了出来。
4 scent WThzs     
n.气味，香味，香水，线索，嗅觉；v.嗅，发觉
参考例句：
  • The air was filled with the scent of lilac.空气中弥漫着丁香花的芬芳。
  • The flowers give off a heady scent at night.这些花晚上散发出醉人的芳香。
5 wafting 9056ea794d326978fd72c00a33901c00     
v.吹送，飘送，（使）浮动( waft的现在分词 )
参考例句：
  • But that gentle fragrance was clearly wafting from the window. 但那股淡淡的香气，却分明是从母亲的窗户溢出的。 来自互联网
  • The picture-like XueGuo, wafting dense flavor of Japan, gives us a kind of artistic enjoyment. 画一般的雪国，飘溢着浓郁的日本风情，给人以美的享受。 来自互联网
6 membrane H7ez8     
n.薄膜，膜皮，羊皮纸
参考例句：
  • A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑。
  • A plastic membrane serves as selective diffusion barrier.一层塑料薄膜起着选择性渗透屏障的作用。
7 cocoon 2nQyB     
n.茧
参考例句：
  • A cocoon is a kind of silk covering made by an insect.蚕茧是由昆虫制造的一种由丝组成的外包层。
  • The beautiful butterfly emerged from the cocoon.美丽的蝴蝶自茧中出现。
8 exuding 170b18fac6e6a9a28bedc5d96a383433     
v.缓慢流出，渗出，分泌出( exude的现在分词 )；流露出对（某物）的神态或感情
参考例句：
  • Water-soaked exuding spots occur in the bark near the growing shoot tips. 靠近生长着的稍皮内有水浸出点，使该处膨大。 来自辞典例句
  • Leaders get into everyone's skin, exuding positive energy and optimism. 深入到员工们中间，向他们传递积极的活力和乐观精神。 来自互联网
9 mucous S6XzD     
adj. 黏液的，似黏液的
参考例句：
  • Healthy,skin,mucous membranes,and cilia are natural barriers to many viruses.健康的皮肤，粘膜和纤毛是许多病毒的天然屏障。
  • Seromucous glands contain both mucous and serous cells.浆粘液腺既含有粘液性细胞，又含有浆液性细胞。

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