甲氧基-DDT

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(95) / 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(113) / 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(140) / 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(141) / 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(93) / 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(83) / 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(155) / 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(76) / 评论(0) 分类 VOA标准英语2011年(九月)

African Countries Debate Using DDT in Anti-Malaria Efforts The chemical pesticide DDT has been banned by most countries for use in agriculture, but some continue to use it indoors to kill insects that carry malaria. In Zambia, it's an important part

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2011年(七月)

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(93) / 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(69) / 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(79) / 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(85) / 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(133) / 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(105) / 评论(0) 分类 英语博客 A cup of English

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(63) / 评论(0) 分类 美国语文第六册

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(175) / 评论(0) 分类 2006年VOA标准英语(五月)

As Uganda looks to eliminate malaria, the country is engaged in a debate(辩论会) over the use of chemicals such as DDT in some of the world's most malarial regions. In the district of Apac in northern Uganda, the risk of malaria is higher than any

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 英语新闻

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(89) / 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(115) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a butterface
accourted
available earned surplus
benefit-risk analysis
Berlin Heights
beyond recall
biological determination of fishery
biology of marine mammals
boom stick
bouvetoya (bouvet i.)
bully beefs
camel's
carpetmuncher
carriers to noise ratios
chromosome closed
closing moment
conakries
current of events
dark line defect from stress
DC polarity-changing code
depth of sowing
diesel-driven single centrifugal pump
digesting tank
dimerisations
even channel
exchange diffusion
exstruct
five-by-seven
flexible environment
focal plane camera
genus aphrophoras
GM_comparison-nouns-more-money-the-most-points
Gubler's line
heating mould curing
hendersonia piperis
house service transformers
in the full conviction that
in the result
inna
input/output record end flag
intelligent relay protection
interstice wire
isomorphic transformation
last ritess
Leptospira interrogans
limited liability
liquid permeation
low pulse frequency
maiss
measurement of rotating speed
medium salted fish
menis
multiple cartridges
Namatanai
naval pipe
neuraxo
operational readiness evaluation
ophthalmus
oreodontids
overshone
owambo
paper-tape perforator
Penkridge
pentagynian
petrosal fossae
phragmites communiss
pin-point gate
plagihedral hemihedrism
plane-table traversing
Pretorius, Andries Wilhelmus Jacobus
probies
psyches-out
pychar
pyramidalis auriculae
Raffles Park
reboundant
Reqqa, ll-Ponta ta'
Root's compressor
safe area generator
sawdoctor
scanning thermometer
schirrhus
shed one's blood
ship rigidity
Shirakura-yama
silver(i) fluoride
slimmer cigar
slop book
special atmosphere annealing oven
spreckled
static nonequilibrium
symphrtum
talk-radio
tandon
thermo-chemistry
thermodiuric
Tipuani, R.
total loading time
total wheel base
Trifolium agrarium
warp loom
worth