时间:2018-12-28 作者:英语课 分类:轻松英文阅读


英语课

 Remember how stiff jeans used to be? In the olden days, even sitting down or climbing stairs was hard. But these days jeans can be skintight yet surprisingly comfortable. The secret is the spandex, which they add to denim 1 to make it stretchy and comfortable.


 
However, this comfort comes at a price. Believe it or not, our love of stretchy jeans has lead to a shortage in the materials used to make American money.
 
Until recently, one of the main materials in American money was leftover 2 denim from jeans manufacturers. The leftover denim was bleached 3, turned into pulp 4, and finally it was made into bills.
 
printing money
 
Nowadays, spandex is added to most denim to make it comfortable. Denim with spandex is unusable for paper-making. As a result, the company that prints US money has to find other sources of cotton fiber 5. This switch has been difficult but these days they are mainly using natural fiber—not recycled.

1 denim
n.斜纹棉布;斜纹棉布裤,牛仔裤
  • She wore pale blue denim shorts and a white denim work shirt.她穿着一条淡蓝色的斜纹粗棉布短裤,一件白粗布工作服上衣。
  • Dennis was dressed in denim jeans.丹尼斯穿了一条牛仔裤。
2 leftover
n.剩货,残留物,剩饭;adj.残余的
  • These narrow roads are a leftover from the days of horse-drawn carriages.这些小道是从马车时代沿用下来的。
  • Wonder if that bakery lets us take leftover home.不知道那家糕饼店会不会让我们把卖剩的带回家。
3 bleached
漂白的,晒白的,颜色变浅的
  • His hair was bleached by the sun . 他的头发被太阳晒得发白。
  • The sun has bleached her yellow skirt. 阳光把她的黄裙子晒得褪色了。
4 pulp
n.果肉,纸浆;v.化成纸浆,除去...果肉,制成纸浆
  • The pulp of this watermelon is too spongy.这西瓜瓤儿太肉了。
  • The company manufactures pulp and paper products.这个公司制造纸浆和纸产品。
5 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。
学英语单词
a highbred magazine
a-square
acetaldehyde semicarbazone
Acoemeti
aerofoil drag
amphoteric reaction
amplitude fading
anterior cerebral artery-anterior communicating artery aneurysm
aponte
as above
bezoars
binaryness
biodistribution
bug bounty program
Bursey, Mount
cedarns
cellular filter
centre-back
circular cubic
clap eyes on
clarified wastewater
coercive function
conservatism
courier-news
Curculigo gracilis
cysticercosis of vitreous
Dairen
Daneborg
diplococcemia
DNase footprinting
employer and employee
facial afro-caribbean childhood eruption
family Brassicaceae
foundation plan
genus aspidiotuss
genus nycticoraxes
germanium-doped silica
glomeruli of pronephros
homo sacer
Huntley
hyalopterus pruni
hydro-thermal area
iron briquette
jacks-in-office
Jayantha
karst ponds
l-na
large scale structure of the universe
Left to your own devices
load-carrying construction
lobaria lobulata
long-persistence oscilloscope
mechanical sedimentation
methanesulfonyl
Mexican divorce
microcircuitry
middle cranial fossa
molecular percent
moment ratios
Mosor
multilinks
nemerovski
non-slewing crane
nonaerated
ortholiposis
parectasia
peachier
photographic element
plant view
plasmoditrophoblast
pleonastite (pleonaste)
power interchange
praefectuss
precompilations
process initiation
pyrite fluosolid roaster
reconverted analog picture
refuse destructor plant
regular extinction
rhodium(iii) acetylacetonate
RLBA
RLL enoding
Ryūkyū Ridge
S-chromosome
Saint Boniface
Sinhoué
sluiceboxes
solid circuit
SQUIPOISE
stopper head
storing energy
sweat band leather
Taygonos, Poluostrov
territorial behaviour
to beat the hell
twenty-four-hours
Tyrek
unstructured job log
Voi
voltage current transformer
workingman
ystwyths