[网络] 四羟基蒽二酮

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发表于:2018-12-18 / 阅读(286) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(231) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(303) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(250) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(242) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(275) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(266) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(293) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2018-12-18 / 阅读(300) / 评论(0) 分类 儿童英文广播剧在线听

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(146) / 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(130) / 评论(0) 分类 医务英语

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(117) / 评论(0) 分类 医务英语

By Greg Flakus Houston 02 August 2007 A bridge spanning the Mississippi River in the Midwestern city of Minneapolis collapsed Wednesday, during the evening rush hour, dumping scores of vehicles into the river. At least seven people died and local hos

发表于:2019-01-07 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(八月)

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 VOA标准英语2012年(三月)

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发表于:2019-01-17 / 阅读(281) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2019-01-17 / 阅读(265) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2019-01-17 / 阅读(243) / 评论(0) 分类 儿童英文广播剧在线听

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发表于:2019-01-17 / 阅读(279) / 评论(0) 分类 儿童英文广播剧在线听

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(110) / 评论(0) 分类 英语新闻

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(156) / 评论(0) 分类 万物简史
学英语单词
acoustical attenuation constant
admissibilities
after-sales service
array machine
augmented data manipulator
bandwidth expansion ratio
basenji
C-grade
cantilever brush holder
capsula adiposa bulbi
central control emergency push-button
certification and accreditation
Chabeuil
chastity belt
cheek piece
chelidonium majuss
chestnut aoil
collector depletion layer
commutate ammeter
consalazinic acid
cowerd
credit quality
digital differential circuit
direct pick-up
drawn wire
ekubo
elastic memory
elde
enterprise involved in labor reform
evaporative rate
flat rack
forerake
form-speckle
germigen
gross receipt
heliacal
Höchstädt an der Donau
imaginary profit
inertia-equilibrium filling and emptying system
inloving
issue of check
Karakol'
kinaesthetics
konstantan
kotschmara
laken
leakage speed for cushion
legal move
lend sth to sb
linear viscoelastic behaviour
low ash content
mary queen of scotss
n-amyl cyanide
needle-operated punched card
nonadrenergic
ocean-floor spreading hypothesis
ocular hypertension
of pus
Oued-Zem
pad welding
peripheral diplomicrotubule
plain stage of slope
pluviine
polychrones
precast concrete form
pseudobarbella levieri
pulpify
quercus velutinas
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rcc (radio common channel)
re-prints
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reference ambient temperature
scatteredload
sequenced signals
sirtaki
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SPEC specification
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state contract
supply air system
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tyurin
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unisol process
unpublished
USB Bluetooth adapter
valence nucleon
venustum
vls
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X-film
xviest
Ybit
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