甲氧基尿嘧啶

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发表于:2018-12-04 / 阅读(78) / 评论(0) 分类 单词解析速记

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 VOA2003(下)-农业与经济

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 科技之光

By Carol Pearson Washington, DC 15 September 2006 watch Meth and Dental Care Methamphetamine Ice Methamphetamine is an addictive drug that can damage brain cells. It is suspected to cause a movement disorder similar to Parkinson's disease. Meth use

发表于:2019-01-07 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(九月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(四)月

AS IT IS 2015-09-20 Documentary Shows US, Mexico Fighting Drug Cartels 纪录片:墨西哥打击贩毒集团 A new movie follows two communities -- one in the United States and the other in Mexico -- as they try to stop drug cartels from harming thei

发表于:2019-01-12 / 阅读(99) / 评论(0) 分类 2015年VOA慢速英语(九)月

UN Wants Australia to Take Lead Against Asian Drug Traffic 联合国促澳大利亚带头打击亚洲毒品走私 From VOA Learning English, this is the Health Lifestyle report. United Nations officials say they have recently seen an increase in the

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2016年VOA慢速英语(八)月

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2012年(六月)

UN:MethUseSurginginSoutheastAsia A report by the United Nations Office on Drugs and Crime (UNODC) warns that production and use of synthetic drugs such as amphetamine-type stimulants is widespread and growing globally. The report identifies Southeast

发表于:2019-01-13 / 阅读(80) / 评论(0) 分类 VOA标准英语2011年(九月)

AILSA CHANG, HOST: A trade dispute has different parts of the solar industry in the U.S. at odds with one another. Two U.S. manufacturers say they cannot compete with cheap solar panels from China. So they're asking regulators to impose a tariff. Tha

发表于:2019-01-16 / 阅读(94) / 评论(0) 分类 2017年NPR美国国家公共电台8月

DAVID GREENE, HOST: We have been reporting on the rise of some really nasty diseases caused by tick bites - everything from Lyme disease to Rocky Mountain spotted fever. Well, now a new study is shedding light on an old technique to repel ticks that

发表于:2019-01-17 / 阅读(97) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Another Drug Crisis: Methamphetamine Use By Pregnant Women AILSA CHANG, HOST: A new study published today finds that a growing number of women in recent years have been using amphetamines like crystal meth during their pregnancy. The rates of use hav

发表于:2019-01-23 / 阅读(74) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(85) / 评论(0) 分类 英语博客 A cup of English

Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont

发表于:2019-02-02 / 阅读(90) / 评论(0) 分类 VOA标准英语2010年(二月)

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(108) / 评论(0) 分类 英语博客 A cup of English

4 Tips to Bolster Your Meditation Practice As knowledge of meditation has grown, more and more people have turned to this ancient spiritual practice as a way to reduce stress, increase their happiness and enhance their concentration. We now have acce

发表于:2019-02-07 / 阅读(125) / 评论(0) 分类 阅读空间

Among the beautiful pictures That hang on Memory's wall, 在那些美轮美奂的画中间挂在记忆墙上的, Is one of a dim old forest, That seemeth best of all; 是古老的森林一抹幽暗,似乎在其中画工最善; Not for its gnarl

发表于:2019-02-11 / 阅读(68) / 评论(0) 分类 美国语文第六册

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(93) / 评论(0) 分类 环球英语 Spotlight

A Fresh Breath of Methane 很早很早以前地球有很微量的氧气,而且地表状况十分恶劣。大气主要是N2和Co2,后来通过复杂的变化,地球开始出现了厌氧型生物。在生命的作用下,地球的氧气开始不断

发表于:2019-03-09 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acropora cerealis
after't
albertini
anergia
apparent image sharpness
ardeola speciosa
ballistic ascent
Bradford 2,William
Bristacin-A
can shaker
cannabinum
Caplans
catastrophies
Chapel-en-le-Frith
Chirita carnosifolia
chondrosaminicacid
classing
con us
confectioneries
connected space
cristae occipitalis externa
de-fluorinate
defoculsing effect
delevan
direction centre
divorced kid
dual figures
empids
eumerus aurifrons
exotheca
falboot
fanegadas
feed-water connection
ferrosilicite (ferrosilite)
firing test
flindersias
forex picks jack-up
frequency translator
game manager
giant-screen
greistled
gyro automatic navigation system
gyrose
hammals
heaves to
helimagnet
hilites
ho'oponopono
horizontal chucking multi-spindle
hyperfused
incremental flow changes
ipesandrine
iqc (income quality control)
japan-bashers
kosa (kossa)
malignum glaucoma
Mallotus dunnii
Matutina
Microchlaena
multiple cash drawers
N-553
negative-pressure firing
new fixed assets
non-ductile fracture
noneffectiveness
north northeast
nowhere dense set
oil-companies
one-energy-storage network
operating frequency
oriented rod
pearly princess
perinephric cyst
plaintive
plates of meat
pleural spaces
Polemonium liniflorum
prebaking annealing
precepitate into
pulse modulated magnetron
pyroelectric thermal detector
Q-S-L process
reasonable force
ricciarellis
riquewihrs
session initiation command
silver oxalate
sleeper cab
stabilizer equipment room
subacute hepatonecrosis
sulphurtransferases
tensioning bar
the stuff of legend
three-factor interaction
throwing bows
toluene-3,4-dithiol
triangular ligaments of liver
vineyard sd.
winter cough
yorky
zhangyi