音标:['sitrəli:n] ;
n. [生化] 瓜氨酸

Education Report - A Social Network Aims to Speed Up Progress in Science This is the VOA Special English Education Report. A few years ago, a university researcher was having problems with an experiment that involved medical imaging. His adviser and

发表于:2018-12-07 / 阅读(369) / 评论(0) 分类 2011年VOA慢速英语(四)月

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发表于:2018-12-18 / 阅读(528) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(445) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(508) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(447) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(491) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(492) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(583) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(637) / 评论(0) 分类 儿童英文广播剧在线听

By Jim Bertel Washington, DC 05 May 2006 watch Counterfeit Drugs Modern medicines have revolutionized the way doctors treat patients, increased life expectancy, and, for many, improved the quality of

发表于:2019-01-07 / 阅读(371) / 评论(0) 分类 2006年VOA标准英语(五月)

By Greg Flakus Houston 02 August 2007 A bridge spanning the Mississippi River in the Midwestern city of Minneapolis collapsed Wednesday, during the evening rush hour, dumping scores of vehicles into the river. At least seven people died and local hos

发表于:2019-01-07 / 阅读(435) / 评论(0) 分类 2007年VOA标准英语(八月)

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发表于:2019-01-17 / 阅读(429) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2019-01-17 / 阅读(442) / 评论(0) 分类 儿童英文广播剧在线听

By Steve Herman New Delhi 16 May 2007 Adequate health care remains unavailable to most of India's citizens, especially in rural areas. Even those fortunate enough to have access to good care, however, cannot be certain that a prescription from a reli

发表于:2019-02-05 / 阅读(351) / 评论(0) 分类 2007年VOA标准英语(五月)
学英语单词
amarus
approach steam velocity
argyriss
arteria angularis
Arthur II
asset source for software engineering technology
atrophy of tongue due to avitaminosis
bauxite-treated gasoline
be cut to size
bit complement
BRADYBAENIDAE
Bunsui
capital line
chronokymograph
clud
coexistence element
cognitive consonance
cost-reducing invention
deniability
desert oasis
detergent-inhibitor
double-shielded bearing
doublet lens
dulci
elastica hypertrophy
endogenies
endothelial myelomas
English reel
ethylene diamine hydrochloride
extension fixture
external sovereign debt
family electrophoridaes
fixed plane
flashy
flavo-
fudge packer
half-power beamwidth (hpbw)
hamelia patenss
Hycklinge
hypodicrotous
in the foreground
integral operator
Karsten
leaked
lemoniid
Mannheim School
many happy return
marine tactical data system
marriage broker
mercenariness
microcam
minimal closed extension
minimum brightness
Mpita
Niakaramandougou
nitroheterocycles
no rough handling
Norbalin
occultus
octosyllables
outgeneraled
overwordy
pappalardo
peacock blue
penicin
Perrhaebians
power vice
presence sensing device
primary setting
progonal
prototype liquid
proxy voting
quatremere
radiofrequency thermocoagulation of trigeminal nerve
re-urbanizaiton
reactuate
rectal suppository
reticulaphis asymmetrica
ringbearer
runner diameter of hydraulic turbine
rupicapra rupicapra ornata
secretory organs
Small Claims Tribunal
soft pulp
Spersacarpine
square-integrable
subchloride process
taurotraguss
tidal factor
tie something up
transfer machine system
tube bender
turning on
unitaries
videoscopic
WC (water-cooled)
which-a-way
white sages
Woolfish
work center analysis report
working minor cutting edge angle
yeshiva, yeshivah