[化] 己酸十四酯; 己酸十四烷酯

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 Noel King Khartoum 24 October 2006 Jan Pronk Sudan's decision to expel United Nations envoy Jan Pronk has created a rift within the government. Former southern and Darfuri rebels - now part of Sudan's unity government - say they do not agree with

发表于:2019-01-12 / 阅读(94) / 评论(0) 分类 2006年VOA标准英语(十月)

Africa Pro-Democracy Advocates Evaluate U.S. Conventions For much of American history, political party conventions were spontaneous and unpredictable, with lively debates between delegates over who should be named to the top of the ticket. Today, par

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2012年(九月)

More than a million people remain without electrical power and other normal services nearly five days after Hurricane Ike passed over the Houston-Galveston area. As VOA's Greg Flakus reports from Houston, tensions are growing between various governm

发表于:2019-02-12 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(九月)

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(70) / 评论(0) 分类 万物简史
学英语单词
Alatyr'
anticlinorium
Arcelik
archanglopteris somai hay.
architecture of plant
aseptic wound
atrio-ventricular funnel
audiobooks
balneologic
Beryciformes
betsch
bounding box test
Caesarian section
carinthias
cesium beam atomic frequency standard
Ch'erch'er Terara
chilomastix caprae
common dandelions
community centres
coverts
crab seed
cure activating agent
damnation
decision-making matrix
diethiphenum
efoliolose
electronic business
electrosurgery
elefucker
ellicott
evaporator outlet pipe
factor combination
Faraday driver
farmability
favour food
fibrillary
FLLP
furazan explosive
gems
glass micanite
goodwill payment
gooshing
Gornyy Zerentuy
hang up one's boots
hankes
hexapla
hunkins
hypogonadotropic hypogonadism
Hystatite
ideist
image deburring
incisionally
international cooperation exploitation of natural resources
invariable
issue bank
ixtlan de juarez
Jagbwema
languette
line of shafting
ller
marchale
melanellite
middle rectal artery
necolio concavus
necromanty
negligencies
Organum vasculosum laminae terminalis
out-of-breath
parotid branches
pavement distress
pencil guide
plant association fragment
primary high polymer
purolator
pylephlebitis
Quimbonge
raymer
rbm channel
refurbishing procedure
request modify
research evidence
retarded closing
retimes
rock-like
saw for two men
scouch
seek a quarrel with someone
single friction surface clutch
SITA Network
soup plates
spatial cam mechanism
spheric charge
tangential leaf spring
time working day
transaction flow language
uk -controlled
upsettably
urea-phosphate fire retardant
voidable juristic act
yeldrin
yudkins
yuzuru