[网络] 均聚

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(一)月

文本: Homogenisation is a process, which involvesblasting milk under very high pressure through a really small hole. Now, thissmashes up the fat particles into tiny little globules, and this prevents thecream separating from the milk. Homogenisin

发表于:2018-12-26 / 阅读(39) / 评论(0) 分类 跟着英剧练发音

Look at this. This is raw milk straight from the cow, it smells different. Wow, and it tastes completely different. It's richer, has a different texture, and it's fuller. And if you look on the bottle, there's a layer of cream. Now, this is your stan

发表于:2018-12-26 / 阅读(26) / 评论(0) 分类 跟着英剧练发音

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(四)月
学英语单词
-cyte
Acer pehpeiense
acetochloride
affectless algebraic equation
allpoints
andesite line
asphalt batch mixer
asteriform
Austramycin
backpiece
be tried
biology of behaviour
Bittorf phenomenon
blister ship
bouncy ball
ceratium axiale
cold check
concentration recovery ratio
cooperative-type management
cowpock
cross-sentential
crosswind stability test
dead start
Dem.
Direz
dividend exemption
dyschoia
endarks
English spliff
experimental pharmaceutics
feature writer
festinations
ficosis
fluorescein-5-isothiocyanate
fluteplayer
foil decorating
Francis of Assisi
gas flux
genrikhs
genus aegypiuss
genus alstroemerias
hallan
hasteneth
headhunter
heat removal after shutdown
heat transfer passage
Huang scattering
hyphestic hemiplegia
i couldn't tell you
i-cnawen
induced dormancy
ipomoea congesta r. br
Jewess
leaf layer
lymphangiograms
manpower information
megasecond
meiofaunas
methiothepin
Mish'āb, Ra's al
monitoring display
N. & S.
neorabdosin
nevus flames
new tools
octettes
old brain
one address format
overtelling
preparatory phase
psycho-anthropology
Puruni R.
re-nomination
refrigerated brine
residual solvents
round chip box
Sabine formula
scleropoikiloderma
single-frequency laser oscillation
software architectural style
songstresses
spray helmet
sterd
subcostal angle
suscipere
symbol code
texto
thin film thermistor
thin-film integrated circuit
Tiraz
to address
traversing head type grinding machine
ultraviolet ionizing laser
unendorsed check
unionoid
untempering
viewer-centered representation
villa del rosario (rosario)
water-chestnuts
wild ducks
winged pulley
Works Progress Administration