异氰基

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(401) / 评论(0) 分类 VOA标准英语2008年(八月)

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(401) / 评论(0) 分类 2006年VOA标准英语(五月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(404) / 评论(0) 分类 2017年NPR美国国家公共电台1月

The planet also began releasing oxygen, thanks to an ancient adoption of photosynthesis. A very ancestral primitive plant cell either engulfed or tried to digest or surrounded a cyanobaterium and instead of digesting it, it actually became an organ w

发表于:2019-01-23 / 阅读(294) / 评论(0) 分类 探索与发现2014年

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(438) / 评论(0) 分类 2006年VOA标准英语(九月)

 Superglue 强力胶 Male: Help!Help! Female:What's wrong? M: I was fixing my coffee cup with superglue .And I must have got some on my fingers but I scratch my forhead.And now my hand is stuck to my head. F: Superglue ? Cool! What makes supergl

发表于:2019-01-26 / 阅读(279) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
absolute sale level
acentricdicentric translocation
Active-high
acurad process
ad-din
alternate headquarters
animateth
antecedencies
anticephalalgic
antodes
Ardelt process
arrow stem
auto personal identification code
Baeyer 606
bithynia misella
blotting-paper
bonne nuit
breast brace
capoches
checkertree
chorrin
choudhury
clais
clay size
clevis pin with head
comb foundation
common frequency broadcasting
composite oxide catalyst
Dardic language
dawna
day-labor
dermonecrotic factor
double drum scraper hoist
driver spring saddle
element of a cone
eliminands
embryonin
extensities
family psilotaceaes
fibrovascular bundle
fine meat
flange die
foul-spoken
from the top downward
Gaelicise,gaelicising
gasifier nozzle diaphragm
glacier tongue
glad-
gran casa
heart attacks
heavy-duty traffic
hoof out
ieee 802.2
in-phase yarn
International Convention of Safe Container
intra-airport transit system
ironing resistance
iterator patterns
Kirpil'skiy Liman
kitchevware
kuramite
lluiss
machinemen
marginal product operation
membrane weld tube
metal to-metal contact
meteorological message
miscarried
mistrimmed
mousepads
newbrough
non-science major
nonlinear shift register
nonsingular matrixes
palaina formosana
paleobiologist
peakology
pedodontic
Pele's tears
periselectivity
picture point time
platinum (electro)plating
politbureaux
prentons
re-tune
sacerdotiums
seat pan assembly
senvulle
ship hull vibration
speech reproducer
standarized component
sulfonator
systems operator
thick string
total width of bridge
uncosy
unsymmetrical bending
up a tree
upper state description
urgency
venae pulmonales sinistrae
Yunnan camellia