链霉素

Jacqueline Novogratz讲述了她在内罗毕的贫民区遇到简的一次感人经历。简曾是一名妓女。她的梦想就是逃脱贫穷、成为医生、结婚生子。而这一切竟以一种意想不到的方式得以实现。

发表于:2019-01-05 / 阅读(115) / 评论(0) 分类 TED公开课:贫穷至进步

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(十)月

I used to be so young But now I'm oh so beaten down My friends are nowhere to be found I find myself alone I could have been someone But now my name is a just a ghost My reputation is a joke My eyes won't cry So could you pass me the needle? I got a

发表于:2019-01-11 / 阅读(121) / 评论(0) 分类 金属

An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2010年(一月)

President Obama says his administration will be much more aggressive in responding to Ebola cases in this country. In light of the second case, I thought it was very important for me to bring together our team including our CDC director Tom Free to h

发表于:2019-01-16 / 阅读(148) / 评论(0) 分类 2014年NPR美国国家公共电台10月

Three days later Lily:Mom, I'm ready for school. Mom:Let me feel your forehead. I'm so glad it wasn't strep throat. Lily:I don't have a fever, and I'm ready for my test. Mom:But I'm not sure you're strong enough yet. Here's some seafood rice soup I m

发表于:2019-01-21 / 阅读(121) / 评论(0) 分类 Eztalk美语会话

STOCKHOLM, Feb. 10 (Xinhua) -- Sweden's Karolinska Institute and Denmark's Novo Nordisk launched a joint research project focusing on diabetes and metabolism on Tuesday. A total of 12 post-doctoral scientists will be funded for a three-year period, w

发表于:2019-02-08 / 阅读(128) / 评论(0) 分类 英语新闻
学英语单词
a security blanket
acoustic absorbent
acute catarrhal cystitis
adrenergic synapse
affination sugar
allantoic vessel
anacrine glnads
appendages of mastoid process
Babcock tube
balaneutics
Basil.
Batar
belt furnace
boost phase
Bourdon tube type vacuum gauge
braes
bureaucratically
cardinal light
casein emulsion
chomatograph-mass spectrograph
closed normal button
cocothiazole
cognitive behavior(al) modification
coli-infection
cost of planting
cryptoflora
currymunchers
cutrake
cyberdates
cyclanone
DHOASE
dipropellant
diurocoris nakabayashii
diving velocity
effigurate
egyptian cloth
emblemize
EPROS
ethaprochlor
fiber jumper
fracture
hanging sleeve
have an ache in
heathenize
hydrogen leakage crash
inertial-pressure method
insulating cover
interfacial test
interior node
intermediate frequency gain
INVTN
John Masefield
jorge mario pedro vargas llosas
La Llave
long-term money market
make good play
mast attachment
Mauritius
medicated paper
microentrepreneurships
microsystems electronics
middlewoman
mirror lmage
monocorditis
musculus attract. arc. branch.
neccessaries
new product introduction plan
numeric type input/output
Ottery St Mary
peit
peppiest
perkin's
physioxic
picture search
polymerization reaction engineering
precedence algorithm
primary of international law
pulse measurement
pyrometer sighting tube
quadrant
rainbow obsidian
re-designated
regulate the market
rocket start
rolling fire door
self-wrought
sitcom
skin infection
spinning fiber
steamwasher
stearo-lauro-myristin
Stilwater
straightway cock
string-oriented instruction
taffey
tank furnaces
tiebreak
user command
vitalizing
wears out
wellsley
window sash spring