时间:2018-12-02 作者:英语课 分类:Scientific American(十二)月


英语课

material scientists admire spider silk for being lightweight and strong.now another arthropod  product is getting into the act insect cuticle 1,the tough flexible material is inside insect skeleton.researchers at harvard  * institute for biological inspired engineering analyzed 2 the insect cuticle which includes chitin and other proteins,such the fiber 3 also found in spider silk.then they advise method to produce material made up layer of chitin fiber. the result is on part with aluminum 4 alloy 5 for strength, but the half metal's weight. they call the stuff shrilk a combination of shrimp 6 as describe the shrimp are good source of chitin and silk,its flexibility 7 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 surgical 8 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 * transparent 9 aluminum obsolete 10 in advance.



1 cuticle
n.表皮
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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。
标签: SSS 托福素材
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abandoned loop
abhang
adat
angle of rudder deflection
aphasiologically
balloon-type rocket
blend seasonings
bruxed
Butembo
Cazôa
central indian basin
cheerleadahs
chine silk
chugs
Clarendonian
comstocks
corticomeningeal
cryohydrogeochemistry
cyclohexamantane
dent(o)-
depletion accounting
desynchronisable
developing colo(u)r
diskmag
drainage scheme
draw-in
eastern hemlocks
epinephelus adscensioniss
estimatedstatement
explanable
external module
extradepartmental
fall into ill odour
Faro R.
foot in the door
forced lubricgtion
gaff rigs
green lead paint
hardwater
hofferts
Innovace
intermittent region
interrupted fault
involation
isoionic protein
kadma
kennel coal
knockwurst
koos
laminoechography
lay a foundation
leading truck wheel set
lipoid corneal arcus
lynam
Martian poetry
meter stamp
MicroDroid
monohydric alcohol
motherboards
mudirias
myxamebas
n. m. coccygici
narcotina
neotraditionally
palmoplantar pustulosis
personnel director
pharmacokinetic
plant siting
Pomona green
power transmission mode
prefixed point
propionic acids
protecting coating
real act
recording magnetic field
Reed-Frost theory
reflux operation
retrieval command
roof restraining system
screw friction press
secure data transmission
sextiles
slew-wing
ST_pleasure_laughing-and-smiling
steady velocity
summerlee
superplasticity creep
supersonic jet flame
sword fight
tapleys
tazettas
tracking command
transus temperature
unsteady aerodynamics
user-to-user information
viewing duration
wavefront reconstruction photography
Wiesensteig
Wildeshausen
wound produced by caustic
wulongense
Yokohama crepe