1-苯丙醇

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(82) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(十一)月

By Meredith Buel Washington 18 April 2007 A closely divided U.S. Supreme Court has upheld a ban on a controversial abortion procedure. VOA correspondent Meredith Buel has details from Washington. Pro-abortion demonstrators in front of the US Supreme

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2007年VOA标准英语(四月)

South African Youth Program Serves as Link to Pro Golf Under a blue sky, and amid a scenic landscape, these young golfers are dreaming big. This amateur tournament is one of the most prestigious competitions in its category in the country. Winning it

发表于:2019-01-13 / 阅读(43) / 评论(0) 分类 VOA标准英语2012年(三月)
学英语单词
-dichloramidobenzo-sulf onic acid
additive genetic variance
agheila
airsprung
Alocasia longiloba
amount of vote
Ancud, G.de
antiqu-
APNPS
Argyll Robertson phenomenon
automatic audiometer
back bend
be lit
blanknote
buoyant tower
Candida guilliermondi
capestan
carrying wheel
cartisane
cause bad blood
Cerralvo Seamount
cian
computer mode
concassed
conocephalus conicus dum
crept in
Cubo de la Solana
Dacninae
data description language (ddl)
debt to asset ratio
Dendranthema potentilloides
dependent differentiation
design evaluation test
dragging down
Dubiciai
electric arc melting
embedment depth of foundation
fall rye
family ursidaes
fantasticalness
flavivirus japanese encephalitis virus of human
force feed system
formation of contract
gastric stasis
hargeysa (hargeisa)
huxing
infixation
lasianthus appressihirtus maximus
light green N
mactaggart
menno simons
meteorite
micromini
microwebers
mustell
nature of problem
offset deviation
optical libration
oregonit(e)
oregons
out of nothing
parachute flare
patkins
Peptostreptococcus
percussopunctator
periostitis interna cranii
plunger type extruder
PP1
precision research audiometer
PTO Patent and Trademark Office
Pyongyangite
radar height indicator
report writer feature
rice seedling puller
rubber arm
seabottle
self-cleaaing of water
shallow sliding
sprunk
staggered tooth milling cutter
static magnetic memory
steatocele
stockbreading
stopping resistor
styptol
substrate signal coupling
swelling current
teacher interns
temperate-zone
Terebrospina
tetrahedral congruence
thais mutabilis
tinted lens
tripos examination
trolldom
Tsolo
turn-key system
Ulldecona, Embalse de
unfeasible
weighed on
Zamboni pile
zeor dispersion