十氢化四硅

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 英语听力文摘 English Digest

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2015年VOA慢速英语(七)月

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

发表于:2019-01-19 / 阅读(56) / 评论(0) 分类 2018年NPR美国国家公共电台12月

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史
学英语单词
acquired ochronosis
akkari
alshedite (y-titanite)
anisospores
antiqueer
aspergillus foetidus pallidus
astrologian
axial deck
bettors
biopreparations
broom seed oil
bulblets
by the absence of
charge transfer reaction
cloth take-up motion
co-write
conversion quantum efficiency of photocathode
cranwell
creep tester
current, bias
cylinder process
dafuq
Decca homing fixing
default judgment
delivery in lighter
diplopodia
durbin's multistage variance estimator
elbow flow meter
electrochemical change
electromagnetic flow transducer
Eritrichium echinocaryum
feto-
fiberboard case
fictionalizers
Flosculariidae
front quarter
gardner mobilometer
greek choruss
hoe bucket
hypercar
hyperparathyroidisms
infective obstructive edema of glottis
jovanovics
kowie r.
Kypchaks
light director
line insulator
Mauricetown
Mazunga
mixed forest in groups
mpdt office
navigable airspace
neobaraisoflavone
nevus spilus
Nymphaea L.
oceanographical remote sensing
offshore field
oligarches
operating floor plan
Or'
organi paraventricularis nucleus
ortho ester
over-all resolution efficiency
ozone lamp
partearroyo
photoelectric scleroscope
pigment extender
pneumatic switchboard
post-constantinian
purchase in advance
radio contamination
radio-wave
railway station telephone
reduce a fraction to its lowest terms
reduced thickness
renourishing
resin bead technique
riceboro
Sarbhāng
semi finishing mill
separate cylinder
spaid
SPERPENTIFORMES
squabbing roll
surface inhomogeneity
switch element
tantalum emitter
tax on writeup
TDUF
temperaunce
terrain avoidance radar
thiosinamin
to put it
town and country
TUCHA
universal saddle
unmanured
uoeno
wait time
water sluice gate
well versed in
wheel ... out