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发表于:2018-12-01 / 阅读(123) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(127) / 评论(0) 分类 Scientific American(十二)月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(96) / 评论(0) 分类 有声杂志阅读

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(61) / 评论(0) 分类 美国英语听力80篇

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(293) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(99) / 评论(0) 分类 Scientific American(八)月

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(八)月
学英语单词
aeration candle
Africanises
architectural composition
Astorp
azan
b.p.r.d
bendiest
blast trauma
borica (hungary)
bottom drift
bring ... to justice
bubblejets
burn of oral cavity
capability-based addressing
cardiac branch (or cardiac nerve)
catbird seat
cavern filling
cinchonology
clandestin
concurrently
cynddylans
derailment due to climbing of wheel-flange on rail
Dicomano
diminuse
diringer
dirty realism
dissociator
do son
doing-dong fight
dottur
drupel
east schelde (oosterschelde)
electromechanical analog computer
extension line for dimension
fimbristylis subbispicata nees et mey.
for screw stays
frigid belt
go in for
Goeferdinge
guide bend test
gumboti
hollow font
horizontal pressure foot
horswertianolin
hyperepinephrinemia
intermetallic phase particle
Kummell's point
kundu
lacrimal probe
landleapers
launch velocity
licea biforis
lump-sum measure expense
maneuvering trials
marchand de vin sauce
Mborla-Dioulasso
minister to
mwhs
Niutou Bandao
nmdar
non-trivial functional dependence
notice of personal assessment
nuclear detector
orthodox straddle
out-of-order signal
outlitigated
pad supported jack-ups
passenger wharf
portable rivet forge
potassium cyanoaurite
precast artistic terrazzo flooring
promotion and transferring
quasi-stationary spectrum
radar distance meter
railway gauge
reclaimant
restless sleep
rice box
run-up
seated gas generator
selenates
self-judgment
shutoff block
silo cell
silverspears
single stage diffusion unit
singular stiffness matrix
snorkel divings
Solarians
swell scale
swing gear
tracing observation
transmission-countershaft reverse gear
trimolter
tuberostemonine
tyrement
undoed
unearthed
vaccinating
visual tuning
voltage generator
winter flowering