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Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(42) / 评论(0) 分类 VOA标准英语2012年(九月)

DEVELOPMENT REPORT – October 21, 2002: Meningitis in Africa By Jill Moss This is the VOA Special English Development Report. Health experts from Africa and international aid agencies have agreed on

发表于:2019-01-02 / 阅读(48) / 评论(0) 分类 农业与发展

Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc

发表于:2019-01-03 / 阅读(35) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 Scientific American(四)月

New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2011年(八月)

Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All

发表于:2019-01-22 / 阅读(37) / 评论(0) 分类 自然百科2010年
学英语单词
-stigmine
ac bridge circuit
aerospace-grade
agricultural tyre
anthurus
armored wood
arsenicated
automedica
azur
bathytellina abyssicola
be in time for
beer parlor
berbert
bulk porosity
business risk and insurance
candidate cell
capillarity
caryolytic
cash payback method (of capital budgeting)
ceraunian mts.
chakramine
close meshed rectangular grid
compoundsubstance
constant wall pressure ring
day-dreaming
Dimezathine
divined
driflot
ethicize
excessive maintenance
field plate function
finance minister
fire marshall
fishbases
free-climb
free-induction decay
Gaillardia Pulchella Foug.
geometric pitch
GICMVD
golden red glass
ground resistibility
hattock
high-voltage direct current
Interlingue
Jangmok
jearl
job-shop
karg-elert
ketimine cured paint
KEXT
ladle tilting facility
limb radiance stratospheric sounder (lrss)
low-voltage coil
lozana
lratio
magnesite refractories
Majilovac
malheureusement
Medz Yeghern
metall-
miniearth
misangas
mobile repair shop
monochloroacetic acid
monoptychic glands
motor driven pump
mussel-band ironstone
n-amyl iodide
nash demand game
nervicolous
Newcastle disease
oranjestad
organizational renewal
os hypoglossum
overconform
pathological giantism
payment of claims
pedogeography
procedural type
puers
pyrognostic test
Ranunculus meyerianus
returning officers
Rocksholm
running noise
seed atom
series multiple arrangement
statistical mass
sung berth
superegoes
symonette
thermal misadjustment of consumer heating system
to hammer
trapnest
turkish boxwoods
tutuella
ulcero-
universal potentiomerer
upperclasswoman
Uranotaenia macfastanei Edwards
viscerotropic
winter hemisphere