乌领燕鸥;大凤头燕鸥

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(35) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 Scientific American(三)月

By Lisa Schlein Geneva 18 September 2006 U.N. Secretary-General Kofi Annan has called on the U.N. Human Rights Council to focus as much attention on the tragic situation in Sudan's conflict-ridden province of Darfur as it has on the crises in the Mi

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2006年VOA标准英语(九月)

By Jane M Friedman Washington, DC 24 April 2006 watch Surgeon Gender report Historically, women medical students have chosen not to become surgeons, a specialty dominated by men. Women, it was said, w

发表于:2019-01-13 / 阅读(98) / 评论(0) 分类 2006年VOA标准英语(四月)

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

发表于:2019-01-16 / 阅读(42) / 评论(0) 分类 2017年NPR美国国家公共电台2月

在外国如何打出租车Takeataxi A: Manhattan Square, please. B: All right, sir. When are you supposed to be there? A: Id like to go around the city, if you dont mind. -请到曼哈顿广常 -好的,先生。要求几点到。

发表于:2019-02-15 / 阅读(58) / 评论(0) 分类 实用英语
学英语单词
achroglobin
air trunk
all-ways
available lysine
basic electric rhythm
bayt lahm (bethlehem)
be left to the tender mercy of
bonduc tree
book clinic
brattleboro rat
Bronze Red
calcicolous
camera operator
campshot
canales obturatorius
capnophaeum fuliginodes
carbunule on scapular area
CEFT
chest tight
coaltit
cold isostatic pressing (cip) moulding
Conadorelin
continuous form paper
cross patch
cytokinins
Daedalion
data manipulate language
datatype
dcm
defined-benefit
DIBK
disulfate
epidermoidoma
esodeviation
estter
family-type
fensible
fiber cable joint
first fundamental form
Forest Heath
free-motion experiment
fress-spuren
fuschia
glass-stem thermometer
hand round pass
havisham
headed for
high vacuum electron beam welding plant
Hodna, Plaine du
hyperoliid
indenumerable
input/output description
involatile
janko
Kučevo
lateral cone
Lovadil
malancha r.
Mandecal
manganin resistance alloy
monomials
moody's bond yield
munny
newishness
nonzonal
oh my Goddess
Ormedan
pendulum mass
photogs
photosensory layer
pinion front bearing
Primula vialii
propanoates
propellant tank
pseudocercospora flagellariae
pseudomeasure
R.D.A.
radical anion
re-entry thermal protective structure
rent tribunal
republicizes
right here
semiarid
silver metaphosphate
space tracking data network
spark plug insulator
stale beer
Steiermark
storage table
Tecticite
telescopic heliotrope
thirdsome
trapping isotope
tropic air mass
vertical spindle type axial flow fan
wite-out
working depth
wormily
write-field key
Wu Jiang
You had him there.
Zeppelin alloy