硝化纤维素

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(108) / 评论(0) 分类 英语时差8,16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(121) / 评论(0) 分类 VOA标准英语2011年(四月)

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2014年VOA慢速英语(九)月

台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健

发表于:2019-02-22 / 阅读(125) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
a mountain of
adaptive digital control
albumensac
allotopic distribution
analytical equipment
anococcygeal body
arctic regions
arteria meningeas
Asaka
bactrocera (zeugodacus) mundus
balance sheet tests
book concern
carry no weight
ceratuba
charge on real estate
Chhabra
cross-platform transfer
cumulus pileus
cyberzine
distributed system atchitecture network
Elliot tester
endaemonisms
ENX
epithelioneural bodi2s
Fauser reaction
finkenstadt
Flacyl
flexible leg
full-flow end-of-line smokemeter
gossypetins
heat accumulating fibre
highnesse
hurricane dryer
hydrocarbon emission
hydrogeomorphic
impropering
induced equation
integrated energy density
intermediate frequency motor sheep shearer
Jegunovce
khakiss
king edward vii falls
Kirakira
klaxon-horn
klussmann
laboratory-tested
laricio
liberaliser
link insulator
linognathids
low frequency compensation
low-tension arc
Marigné
meagerest
mechanical sensor
mefluidide
monitoring and control system
motorola 14500b
multiaxial state
national historical park
Neurath
nitroaromatic
on demand bond
Oton
outshame
overhead economy
panoramic comparison
pay one's dues
photosensitivities
positive peoperty
potentilla freyniana borum.
press gallery
prick-tease
product structure file maintenance
rashers
retransmitting
roll-up hatch cover
self-force of electron
septal cell
serge koussevitzkies
sicamour
solution of equations
SSL certificate
star box
struvites
tabacum
the man in the street
tinka
tudy
UCB-1402
unit loop eddy current
unlimited legal tender
unworthinesses
us adapter
Vaimauga Dist.
watchfires
weather adjustment of gyro compass
wet flashover voltage
winding-up proceeding
wine fly
yarsleys
zimmy