营养缺乏病

Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

发表于:2018-12-24 / 阅读(45) / 评论(0) 分类 Scientific American(十二)月

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(50) / 评论(0) 分类 VOA2004(下)--健康科技

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im June Simms. And Im Christopher Cruise. Today, we examine recent findings about how intelligence develops in babies. We look at when and how babies learn, and the importance

发表于:2019-01-24 / 阅读(41) / 评论(0) 分类 英语语言学习

Australian researchers have identified a new condition characterized by extreme laziness: motivational deficiency disorder (MoDeD). MoDeD is far different from being a couch potato when you get home from work or sleeping in late on a Sunday morning.

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 阅读空间

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

发表于:2019-01-30 / 阅读(142) / 评论(0) 分类 60秒科学

DEVELOPMENT REPORT - Iron Sprinkles Seen as a Way to Aid Children's Health in Developing Countries By Cynthia Kirk Broadcast: Monday, June 06, 2005 I'm Gwen Outen with the VOA Special English Developm

发表于:2019-01-30 / 阅读(45) / 评论(0) 分类 农业与发展
学英语单词
a rain of congratulations
a smoke-filled room
absence without leaves
absolute measure
advance the ignition
al jawf (el-giof)
Alava, Cape
american association for marriage and family therapy(aamft)
aminacrine
anadicrotic
anticountermeasures
aphid feeding
archaean rock
AriOS
backward resorption
boolean part
Breitenburg
bridwell
brise dessus
catrina
celebess
cephalic presentation
closed-in drill-pipe pressure
complex data structure
corrective security analysis
curve characteristic
deoxyadenosine monophosphate
devoutless
drill-guide
Elers ware
fang-liker
flanking transmission
follow hard after
galabieh
genus Fucus
glossosynthesis
go on anembassy
gormenghasts
green PC
haemaphysalin
hanifan
hawsha (hausha)
Herefordshire
herpes varicella zoster
holy dollar
holy quest
intertanglement
judgitation
kiloyards
lateral tuberosity of femur
longitudinal diffusion coefficient
make and break contact
marginal density (function)
maximizing control mode
mediolittoral zone
merchandise initial inventory
Minusinsk
nanobiological
nonsimplex
nursing pyschology
occur to sb
OPCOMCTR
orthopan film
outerweb
Prectice
program appraisal
protest a decision
pseudohypertrophic muscular dystrophy
pulvinated molding
reactor plant layout
reactor pressure vessel venting system
regenerative feed-water heater
restructuring control
root nodules
row-crop planter
Rudovka
rushed around
sales uncollectible accounts adjustment
sea-raven
sediment pollution
singlelobe
slowing of clocks
specific synapses
stegana (steganina) nigrolimbata
strictly diagonally dominant
suegee
table of charges
tectonic metamorphism
tetrahedron block
thiodiazoline
tin mordanting
tin-plater
to wipe the floor with someone
totaling
Trichechidae
truck rigidity against distorsion
tungsten disulfide
turnaround plans
uracil herbicide
villefranches
weld wood
y ba cu o compound