4-酪氨,羟基苯乙胺

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(131) / 评论(0) 分类 2014年VOA慢速英语(五)月

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(110) / 评论(0) 分类 医学英语

Andrea: Hello, Im Andrea Rose and youre listening to bbclearningenglish.com. Today in Entertainment, we speak to well-known American horror writer Stephen King, who has just released his new novel, Blaze. The author of over 50 best-selling horror no

发表于:2018-12-19 / 阅读(88) / 评论(0) 分类 Entertainment

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 VOA双语新闻 2014年1月

Identity Thieves’ New Ploy: Pharming 2 How do people pharm? Pharming scams take a few different forms: Attackers could use malicious code, such as a virus, planted on a user’s PC to track keystrok

发表于:2018-12-19 / 阅读(175) / 评论(0) 分类 彭蒙惠英语

1. cellophane /'seləfeɪn/ -- cellulose substance that shows through; transparent cellulose substance used as a wrapper When used as a wrapper, cellophane lets the purchaser see the contents of the package. 用玻璃纸包装使购买者能看到包内

发表于:2018-12-30 / 阅读(85) / 评论(0) 分类 突破英文词汇

Stephen Foster, 1826-1864: America's First Popular Songwriter He wrote more than two hundred songs during the eighteen forties and eighteen fifties. VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 名人轶事

PEOPLE IN AMERICA -October 20, 2002: Stephen Foster By Shelley Gollust (Photo - University of Pittsburgh) VOICE 1: I'm Shirley Griffith. VOICE 2: And I'm Steve Ember with the VOA Special English progr

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 People in America

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(88) / 评论(0) 分类 医务英语

What Stephen Covey Taught Me About Work and Life My heart is heavy today. I just learned of the death of one of the most influential individuals in my life, a man who changed the way I think about the world and who guided me toward my current career

发表于:2019-01-07 / 阅读(109) / 评论(0) 分类 阅读空间

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(117) / 评论(0) 分类 VOA标准英语2012年(三月)

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(62) / 评论(0) 分类 白领英语晨读

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(98) / 评论(0) 分类 世界各地新闻集锦

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(86) / 评论(0) 分类 英语新闻

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 英语新闻

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(116) / 评论(0) 分类 TED演讲教育篇
学英语单词
acetoarsenite
acute angled triangle
ancillula
balconet
boil-water
brachidial support
Bukit Cina
calm your farm
capillary force
capitol pk.
carbon-dates
chilihead
Chinsu-ri
Churuguara
clubiona taiwanica
cock crow
cologno monzese
commissar
conditionally sigma-complete
contingent duty
cross pack
dentros
disgenius
dun dealgan (dundalk)
Ekiatap
electrical-resistance thermometer
electrode acceleration
electronic energy spectrum
end-to-side intestinal anastomosis
engineering solution
factor in
First Nations
Fortran
free living nitrogen fixation
Fuselloviridae
get out countenance
get sth up
giffen paradox
glass gage
glovin'
half-adder binary
hexothiocaine
hodograph circle
Houben-Hoesch synthesis
hunger edema
hurry-up wagon
hydraulic press-packing
lecanora pallida
leisure-time
lithotripsy
llenan
lubricating oil strainer element
makambako (makumbako)
metasedimentary rock
micro-moles
modification kit
mummichog
Narragansett Bay
non-melodic
obninsk
operation of relay
Ormosia pingbianensis
oxydiethylene
pailly
parametric upconverter
peat bog
permutite
phone connector
phosphor amplifier
prowersite
pulmonary eosinophilosis
radar dome
residual porosity
reverse circulation gravel pack
ringdown circuit
scale-model investigation
schmeissers
setting down
shrimpa
simple cycle
Spasskaya Guba
stegging
strain gauge torque measuring instrument
Sturluson
subeconomic forest
synchronous data-link control
take a life
taoistest
telemetry data center
tenement-house
thermology
thick-split graft
thread take-up lever link hinge pin
topoangulator
transplutonics
umbilical gap(in gastropodods)
underwithholds
univalent antibody
urban soil and water conservation
utility powerboattrailer
waiver of privilege
white space count program