[网络] 管距

塞内加尔推行生育间隔 或可减少贫困 On a busy day at the Fith Mith Clinic in a suburb of Gudiawaye, just outside of Dakar, MamyDiop had just given birth to her third child, only one year and three months after the previous.She did not k

发表于:2018-12-16 / 阅读(55) / 评论(0) 分类 VOA标准英语2016年(七月)

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(九)月

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(四)月

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(42) / 评论(0) 分类 原版英语对话1000个

International Conference Highlights Family Planning in Senegal With the global population reaching 7 billion this year, doctors and health officials are advocating better family planning methods. Senegal, where some 2,000 international delegates gath

发表于:2019-01-13 / 阅读(47) / 评论(0) 分类 VOA标准英语2011年(十二月)
学英语单词
accountability information
Afjeh
almond moths
alumstones
amanozine
amenities of life
anal blood gill
analyzability
atmosphered
bacterial carotenoids
beaten zone
beecheys
body-sodium activation
boros
broad leaved goldenrods
cacoethics
calculating station
capricious power
cartidge filter
Clostridium bellonense
condenser coupling amplifier
DC machine
diary microbiology
distal ileum
dynamic reservoir capacity
ecclesiography
electric towing trolley
engine designer
Entebbe Airport
flight safety structure
form of books
gate interlock
genus Glossina
genus Nimravus
Giraldes'organ
grant-in-kind
gyroscopic motion
health occupation education
herpolhodograph
heterophytic bacteria
high-major
high-reward
Hispanicizations
ignicolist
immunoradioactive
information preserving
kickless
Kosack
kutte
labo(u)r cost sheet
lacewell
lammas shoot
leaves
local flora
lubber's mark
macrosymbol
macrothele holsti
montes apenninus
nail wrap
neeli
new mercantilism
nitrilotriacetic acid
nothing more than
overbank
overfall spillway
P-Isobutylhydratropic
Padas
papillary carinoma
paradons
parvoviruss
pattern cutter
peopyl fluoride
Perestroikans
pericardiac
pneumogastric ganglion
pole deflection
Policy Signing Office
portfolio valuation
prochordal
Pythidae
real-time engineering environment
rebarbarization
remote-operated vehicle
resmile
sarney
scrofulousness
selective pitch propeller
single-layer welding
sitting
stimulus control
subofficer
ten commandmentss
tenpinss
the back of
time-delay switch
to grind
trunked hatchways
uintathere
unquibbled
vane-type fuel transfer pump
washaterias
yellow sea bream longline fishing boat