n. [有化] 醋酸纤维素;纤维素乙酸酯

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(286) / 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(324) / 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(278) / 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(274) / 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(240) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
-sicle
alcore
ammonibacteria
arbitrage dealer
arseno-benzene
autoassembler
beef-heart
biological safety
Black Esk, River
blazonry
brain tube
bull-headed
cacemphaton
ceramic raw material
Codipect
compression gauge
daskasan rayonu
data-sharing
detail plan
disabused
dprabak (chaykend)
drug fetus damage
dynamic proxies
electric steering gear
embley
emergency hook
eusebiuss
extree
fade chart
flash bulkhead
frequency raiser
gand(o)ura(h)
get into the rut
gone out of
Gryaznoye
Guebres
hexandrum
high emf potentiometer
hlqn.
hygienic basis
hyperbolic parabola
hypobromous
impulse transmission
international music
javorie (javorja)
koilosternia
Kozar, Ras
L-quebrachamine
Lagrangian polynomial fit
Lebrun, Albert
lithic angiocholitis
Lower Wendish
maximum permissible deviation
naso-rnaxillary
navigable
new-stylest
nonstoried wood
orientalis
paracaesio caeruleus
period of variable star
Phosham
photofinishers
plaintext key
platyias quadricornis
pollinatory
praglit
pseudorange difference
psychobiologist
ptosis of eyelid
pump room
register for
reticulated vein
risk of war
Rosolini
sample source
school table
shagging
site railway
sound power of a source
standardized speed
statoid
stearo-dipalmitin
stipellatus
sudamina
Sukau
terminal edit operation
thermal insulating mortar
thiapyran
titling term
trend method
trochees
trophoblastic tumor
unfit to plead
uropyxis arisanensis
vectopluriometer
Viburnum buddleifolium
video frequency band
vitrified clay
wall rail
West Louisville
workshops regulation act
zero lap