音标:[,tetrә,meθәlә'mәunjәm] ;
四甲基铵

In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa

发表于:2018-12-11 / 阅读(79) / 评论(0) 分类 澳洲ABC新闻快递2011年

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

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(88) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 农业与发展

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
al jazirah (gezira)
alii
alkyl sulfhydryl
alligator oil
anti-overshoot device
anti-plaques
baranchuk
base-year average price
basic transmission unit
belvins
blundstones
broken emulsion
cancerous cow
caruss
Chelonopsis siccanea
chromosome polymorphism
climber raising
computerette
cook syndrome
Cryptothelea minuscula
Cuminestown
cyrillics
Danabol
dialogical democracy
differential piston pump
dihydrate gypsum
distributed data processing (ddp)
Dormabin
dynamic route stability
edge thickness difference
elchur
electrophoretic deposition
ex nudo pacto non oritur actio
excavates
extravaste
family Dactylopteridae
freeze sectioning
gaseous protector tube
genus cappariss
gerontocratical
go to the classroom
grade down
haixing transgression
Haplohymenium
hash brownies
impinge
inbeings
infledged
irradiation test
kcnc
lacunate collenchyma
liegewoman
Ligamentum gastrophrenicum
Lindera flavinervia
magnetoelectric phase difference torque transducer
matching angle
maternal adaptation
Mazarin Bible
membranous dysentery
monochrous
Mpama
nasalisation
nawang
nitrosidative
nonsense codon
nuclear transition
page failure
perpetualist
pitchblendes
plature
plp
polychromasias
polyene alcohol
Proske-Watson's test
ready-made program
real-time computation
record-pauses
remou
residual and mechanical concentration
saline spring
saucerless
seym
siege coin
sir joseph bankss
slanderest
spring tube
subglandular
system frequency
take the studs
tetralophous microcalthrops
toastier
turre
universal character
uroptychodes spinimarginatus
vasodepressor material
veldes
virusweep
vortex pattern
Warren operation
wooden moulding wire
worm-chek
zhob (fort sandeman)