异黄樟醚

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(59) / 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(123) / 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(70) / 评论(0) 分类 2017年NPR美国国家公共电台1月

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(45) / 评论(0) 分类 探索与发现2012年

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(52) / 评论(0) 分类 探索与发现2012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(133) / 评论(0) 分类 2006年VOA标准英语(九月)
学英语单词
a state of siege
adjustable impulse counter with automatic rerun
airborne division
amplifier
angle of attach
area-balanced
arriccios
at quiet
Bayasgalant
bittock
bregmocardiac reflex
Brighstone
by force of
causal filter
cess pit
Cizer
clinicares
close-confinement laser
coarse cruching
competitive reaction
compression stroke
count attribute
cut the cable
deep-water onlap
Dio Cassius
dreamfishes
drill stop
Dubiyevka
duplicity theory of vision
eerie-looking
electrolytic zinc
embourgeoisement
emplotting
entomological genetics
epidermolytic toxin
ether link
family Argiopidae
femto-teslas
ferromagnetic ceramic
flap type gate
fossil flora
gas integral process
golaseccas
grid impulse voltage
ground-floor
half-face
hancoside
herbacetin
idioplasm
integral convergence test
kardashians
Klein's model
land oil exploitation
light earth
marine pollution emergency response centre
matrix memory
mine watching
move in for the kill
murderation
near surface flaw
neck wool
Neosho Rapids
nepool
niche theory
Nipasol
on the advice of
once and for all effect
optical disk cartridge
output exposure rate
overload power
papoose
payment type
Phagun
phalangal
phosphatidylinosinate
pistonless steam pump
pivot of arm
platform counter scale
preset parameter
pseudomonas delphinii(e.f.smith)staev
purge and trap apparatus
quadrupl x circuit
riemann geometry
Riticularia
rosa banksiae r.brown var.albo-plean rehder
rowe
satin drill
serum immunoglobulin A
Setsan
slab waveguides
snip-snaps
soupmaker
speed coding system
stable pulse generator clock
state auditor
subcardinal veins
thymometastasis
truck frame
under-zealot
undisturbled
Valsalvian experiment
vesicoprostatic calculus