四环素

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

By Jim Bertel Washington, DC 17 February 2006 watch Bird Flu report As the deadly H5N1 strain of bird flu continues to spread from Asia to the Middle East, Africa and Europe, there have been many pred

发表于:2019-01-04 / 阅读(135) / 评论(0) 分类 2006年VOA标准英语(二月)

BBC Learning English People and Places Xiaolu Guo Amber:Hello! Today, we meet a young and highly-successful Chinese writer and film- maker, Xiaolu Guo. She talks about learning English, and about how she had fun trying to find the right kind of Engl

发表于:2019-02-05 / 阅读(136) / 评论(0) 分类 人与地方

By Doug Levine Washington 11 March 2006 The gold connoisseur has seen it all: white gold, green gold, black gold, even fool's gold. But, there's another kind of gold out there,

发表于:2019-02-07 / 阅读(148) / 评论(0) 分类 2006年VOA标准英语(三月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 万物简史
学英语单词
ability in
acathexis
achimeness
actorly
affiliated group
alternating reflex
altimeter scale error card
amphiesma sauteri sauteri
anti-oscillation vector
anticalin
apoamphimict
apoptosome
Articlave
atretch reflex
Baarle-Nassau
balanced lethal genes
barber
bellows seal
bench memos
betzs
branching turnout
center-field
chalkin'
Chinese speech synthesis
chion-
cloud of electron
co-incineration
conessis
conter of gravity
current annuity
cytobiological
delphine
Dendrolimus tabulaeformis
dexecadotril
diaphragms
doppler spectrum
East Midlands
ethizone
fish-oil
forejudgment
galactans
Gardnerella
gearstick
glycollic anhydride
Grasmere
grengesite
hand digitization
have sth. on the brain
holographic filter
initial marking
instant vaporization
isopropylarterenol sulfate
jirds
jockey valve
Joktan
Kangeta
Khmuic languages
leather palm glove
literal type
Madagascarian
Maiantherum
molapo
munyazesa
nonsensitized
number symbolism
ommastrephids
pancreolytic
parallel twin
point
postformed
power cable insulation
psammous carcinoma
quiz-show
redoxpotential
reflex blue
Roebel conductor
rollability measurement
shaped pattern
sideborrow work
sidescrolling
spark adjustment
Spears, Britney
spectrophyrheliometry
subnormal temperature
synthetic filling
Telanaipura
temperatura
thabo
thongchai
tibione
ticle
transfer contacts
transverse force of propeller submergence
underwater fish lamp
user request system service
var.
vinyl acetate resin coating
vocalizing
weeder-mulcher attachment
wiglomeration
Zenker's myomalacia cordis