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(136) / 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(174) / 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(137) / 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(179) / 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(176) / 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(141) / 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(148) / 评论(0) 分类 英语新闻
学英语单词
acuities
adrenoglumerulotropin(AGTH)
alphanumeric mode
american association of scientific workers
anti-torque pedal
avellan, avellane
Baliospermum
basic feature
be on the loose
beacon scaffold
benefit program
bopindolol
burchett
cab seat
camaena succincta succincta
carotenoprotein
chaindriven
channel for orders
Cherwell, River
circulating-solution reaction
Claudel, Paul Louis Charles
componentwise convergence
constrained mechanism
countersupported
credit investigation
dampproof course
dansette
deformation gradient matrix
designatively
desperview
double ended boring bar cutter
duene
eldder
extended binary coded decimal interchange code (ebcdic)
factor tax
febris recurtens asiatica
ferroalloy works
fiancees
fiducial range
glottopolitics
god-centred
high tension rectifier
hmd
homing devices
hybrid microcircuit
hydraulic-governor
intermediate foresight
isotopic chronometry
Isthmus of Panama
jacking delivery motion
knowledge source
kobaladze
laboulbenia cristata
Ludloff's sign
mastolith
methyzazone
Minamoto Yoshitsune
mtz.
narrow band
Niratron
non-atopic
Nozinan
oxylan
pearl-bordered fritillary
pepere
pile-in selvedge
plows through
Point Pleasant
presskit
private-activity
prolymphocytic lymphosarcoma
pueblos
radiational cooling
request from
retard position
reticulate pigmented anomaly of the flexures
rotor ampere
saber-toothed
saxl
science of total environment
sedimentous
self-established
self-potential
semi-luxuries
solution-cavity filling
specialities
spillway dam
statically determinate reaction
superfamily Sphecoidea
Svärtinge
symptom-complex
talk off line
tensioning force of crawler
uterofixation
vice directors
vincibility
visceral protein
viscerum
voltage stability factor
workplace layout
wye connected alternator
zero phase-sequence reactance