音标:[l'ju:sɪn] ;
n. 亮氨基酸, 白氨基酸
n. A white, crystalline, nitrogenous substance formed in the
decomposition of albuminous matter by pancreatic digestion, by the
action of boiling dilute sulphuric acid, and by putrefaction. It is
also found as a constituent of various tissues and organs, as the
spleen, pancreas, etc., and likewise in the vegetable kingdom.
Chemically it is to be considered as amido-caproic acid.

Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 VOA标准英语2011年(九月)

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发表于:2018-12-30 / 阅读(89) / 评论(0) 分类 单词解析速记

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2011年(八月)

Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da

发表于:2019-01-25 / 阅读(126) / 评论(0) 分类 词汇大师(Wordmaster)

By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs

发表于:2019-02-04 / 阅读(118) / 评论(0) 分类 2006年VOA标准英语(五月)
学英语单词
ambasilide
anthropochory
appropriation allotment
ary-
bad order card
bit reduction factor
boc-land
bonuss
brushoffs
caryomere
coastal ice
cohesiometer value
commitment ceremony
Coppin.
corone-
cow-bezoar bouls for resurrection
dance of fate moeris (greece)
deprong
distinctive innovations
dump file
el khandaq (al khandaq)
electronic harassment
embrittlement cracking
exam-oriented
expanding flue
fachine
flap track fairing
Gastroboletus scabrosus
gigatonnes
handwashes
have too much sense to do
high power magnetron
hydraulic stud tensioner
hyperactivity disorder
information-sharing function
interior adhesive
intermessage fluctuation
inventory costing method
irradiation protective glass
jerkied
ju-ju
Kigosi
Krimmler Fälle
kymokinoscopy
language-maintenances
light trough
limosa lapponica baueri
line element vector
logarithmic-based scale amplifier
Lonicera hispida
lsi technologies
luggage and parcel traffic accident
main switch board
mainshaft differential spider
malasseziasis
Maltese wheel
melchor
micro-coated diet
moulting liquid
muskewashe
nevertirees
out-general
outlimb
oxytropic dehydrogenase
p.a.l
pour-point
purple prose
push bar
Raviac
reasonable limit
routinespectrophotometer
second bananas
segment die
shady transaction
sink effect
slimy wine
soak section
sorcerized
space pharmaceutics
splooshes
spoiler space
stand improvement
station efficiency
stub shaft drill
styfe
surge thrust
three dimensional analysis
tipped over
transseptal
trichoscopy
two-pitch system
u-ra series
under favor of
upper flammable limit
urgilan
Vat Red Brown R
vibratory track
violes
visceral meal
wadboard packer
waggishness
Westlake