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material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle¹,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspired engineering analyzed² the insect cuticle which includes chitin and other proteins,such the fiber³ also found in spider silk.then they advise method to produce material made up layer of chitin fiber. the result is on part with aluminum⁴ alloy⁵ for strength, but the half metal's weight. they call the stuff shrilk a combination of shrimp⁶ as describe the shrimp are good source of chitin and silk,its flexibility⁷ can be manipulated by adjust the water content just as insect too. the reaserch is in journal <advanced materials>.shrilk's creators say it could be a green alternative to plastic for a crash bag even diapers.its strength and biocompatibility could make it good for surgical⁸ suture or as a scaffolding for tissue regeneration.shrilk is a clear film,if it can be made to stay clear when thick,it could make a enterprise engineer * transparent⁹ aluminum obsolete¹⁰ in advance.

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1 cuticle
n.表皮
参考例句：
You'd never puncture the cuticle.你无法刺穿表皮。 The reform has hardly made a scratch upon the cuticle of affairs.改革几乎还没有触到事物的表皮。

2 analyzed
v.分析( analyze的过去式和过去分词 )；分解；解释；对…进行心理分析
参考例句：
The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。来自《简明英汉词典》 The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程，因为对他来说，爱是个不可分析的迷。来自《简明英汉词典》

3 fiber
n.纤维，纤维质
参考例句：
The basic structural unit of yarn is the fiber.纤维是纱的基本结构单元。 The material must be free of fiber clumps.这种材料必须无纤维块。

4 aluminum
n.(aluminium)铝
参考例句：
The aluminum sheets cannot be too much thicker than 0.04 inches.铝板厚度不能超过0.04英寸。 During the launch phase,it would ride in a protective aluminum shell.在发射阶段，它盛在一只保护的铝壳里。

5 alloy
n.合金，(金属的)成色
参考例句：
The company produces titanium alloy.该公司生产钛合金。 Bronze is an alloy of copper and tin.青铜是铜和锡的合金。

6 shrimp
n.虾，小虾；矮小的人
参考例句：
When the shrimp farm is built it will block the stream.一旦养虾场建起来，将会截断这条河流。 When it comes to seafood,I like shrimp the best.说到海鲜，我最喜欢虾。

7 flexibility
n.柔韧性，弹性，（光的）折射性，灵活性
参考例句：
Her great strength lies in her flexibility.她的优势在于她灵活变通。 The flexibility of a man's muscles will lessen as he becomes old.人老了肌肉的柔韧性将降低。

8 surgical
adj.外科的，外科医生的，手术上的
参考例句：
He performs the surgical operations at the Red Cross Hospital.他在红十字会医院做外科手术。 All surgical instruments must be sterilised before use.所有的外科手术器械在使用之前，必须消毒。

9 transparent
adj.明显的，无疑的；透明的
参考例句：
The water is so transparent that we can see the fishes swimming.水清澈透明，可以看到鱼儿游来游去。 The window glass is transparent.窗玻璃是透明的。

10 obsolete
adj.已废弃的，过时的
参考例句：
These goods are obsolete and will not fetch much on the market.这些货品过时了，在市场上卖不了高价。 They tried to hammer obsolete ideas into the young people's heads.他们竭力把陈旧思想灌输给青年。