[医] 非洲马疫病毒

By Efam Dovi Accra 26 October 2006 Cocoa trees in a plantation in Ghana Ghana is battling with the spread of a cocoa virus that has been diminishing yields, according to agricultural experts. The West African nation is the second-largest exporter of

发表于:2019-01-12 / 阅读(103) / 评论(0) 分类 2006年VOA标准英语(十月)

African American Communities Face AIDS Crisis More than a million people in the United States are living with HIV, the virus that causes AIDS. The U.S. Centers for Disease Control estimates that approximately 50,000 more people are infected with HIV

发表于:2019-01-13 / 阅读(25) / 评论(0) 分类 VOA标准英语2011年(十一月)

NewTeststoQuicklyDiagnoseSleepingSickness New diagnostic tools are being tested that would quickly indicate whether a person has African sleeping sickness. Current methods of diagnosis are slow and cumbersome and delay life-saving treatment. Health o

发表于:2019-01-13 / 阅读(36) / 评论(0) 分类 VOA标准英语2011年(九月)

Sex Matters for Sleeping Sickness Microbes Scientists are keeping a close eye on the mating habits of microscopic organisms, including those that cause African sleeping sickness. They say what happens between two parasites can have major consequences

发表于:2019-01-14 / 阅读(34) / 评论(0) 分类 VOA标准英语2014年(一月)

SCOTT SIMON, HOST: There was an uproar in biology recently when scientists announced they'd used bits of DNA to manufacture a pox virus. Critics said the work is dangerous. Research teams had essentially published a recipe that could help terrorists

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2018年NPR美国国家公共电台2月

78 非洲睡眠病在撒哈拉沙漠南部国家猖獗蔓延 DATE=8-6-01 TITLE=DEVELOPMENT REPORT - African Sleeping Sickness BYLINE=Nancy Steinbach (Startat 59

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 科技之光
学英语单词
acoustic reference wind speed
Angelica setchuenensis
arf
artificial acqnired immunity
at the first go-off
Bai.
beacon-code
blaxill
BRL4910A
broaden business
Campsis grandiflora
Catasauqua
combinatory integral transmission
commutating parameter
Conhello
cranial foramina
cuprous chloride
customer lifetime value
dasyantha
days of the week
DCin'
deep draught vessel light
disappointing
disjecta membra
effects track
ehl
eitans
Enesco, Georges
enquiry call facility
error in numerical calculation
establish in
ethylenedioxy
eustachys tenera
EWEX
falsomesosella grisella
fluted design
format X error bars
Fraxinus trifoliolata
get off the dime
Grunbaum's test
hand stuffing
Hayatindine
heave motivation
hebelpachymeter
homogenized tobacco sheet
hules
hyperconnectivity
image optics
impresting
improve price
incline bench
infraorbital glands
intercontextual
interest rate effect
intestinal protozoa
jet assist
Karkor
Laksevaag
language-oriented
Lauda-Königshofen
Loxostigma cavaleriei
Lucius Clay
Lyman limit
Mahaly
manganous acetate
mercuric oxiodide
noncentral force
old boys' network
Packer whacker
pax vobiscum
Plio-Miocene
pore volume of porous packing
post embryonic development
program technique
proppage
proteantigen
quadrature (q) video
rear axle housing drain plug
rectovesical plicae
reigh
rising pouring
ritualia
rotifers
sail-assisted fishing vessel
say wha?
set-square triangle
shop packet creation options
sky cloth
solid-to-liquid ratio
south-carolina
standing rib roast
steel plate for bridges
thraustochytrium aureum
train line circuit breaker
urban weed community
vasoligations
viridans viridin
weight function
whencever
xline
yellow squashes
zero object