硝化纤维;[有化] 硝酸纤维素

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(85) / 评论(0) 分类 英语时差8,16

Lightning Helps Fertilize The Soil Our bodies need protein, and proteins contain nitrogen. The air we breathe has plenty of nitrogen to satisfy our needs. Butthat nitrogen is not available to us directly from the air. The only way we can get nitrogen

发表于:2018-12-31 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

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(99) / 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(93) / 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(97) / 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(94) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
actutaing signal
aftereffect of permeability
agricultural mechanization
aliphatic sesquiterpene
apar-
Aquaform
aster falcatuss
auto decrement flag
Balige
basin landscape
belly-dancer
blennorrhea alveolaris
breaking changes
Breit-Wigner equation
cock-master
command patterns
compiled machine language instruction
cone and disc viscometer
controlled Markov process
corrective active board
dashed down
delayed gelling process
dog whistle politics
dry cargo freight market
dysthermosia
effigiates
emergency shutoff device
energy supplying device
equisignal line
erotopsychopathy
ex quay duty paid
eye for an eye and a tooth for a tooth
fancy handkerchief
farragoes
finger-nail
flow-line interception
garnesoin
grind for
h. l. menckens
haploid hypha
Has anyone been?
Hudsoned
hydrangin
iald
insulation clothing
intermediate inspection at the technological process
job inventory
Koch's tests
kodaly
kruzhanovskite
Kwangsiphyllum
law of intestate distribution
light in the head
lime reel
loan modification provision
macrochemical
major drawcard
megabudgets
neumandin
neutral mass spectrometer
old gaffer
other rewritable optical discs
Papilionanthe teres
parabiosis
pelviform
pestifugous
plectospondylous
post-independence
power water section
protecting case
Saint Cyril
salpingo-oophorectomy
sanmartinite
Saragat, Giuseppe
scotson
search light cooperation
security table
segment relative addressing
selective catalytic reduction
sensor sun
shad roes
sharp wave
Sonacon
starfinder
swine flu
Tedder, Arthur William, 1st Baron
tension boundary
the new territories
thorleys
throw it
tissue of movement
Tonga Islands
treat (transient reactor test equipment)
trunk root union
unhouses
ureteris
variance work in process
vena metacarpuss
Verkhoramen'ye
well-motived
What's bred in the bone will come out in the flesh.
Yua austro-orientalis