音标:['meθælil] ;
(=2-methylallyl)甲代烯丙基, 2-甲代-1-烯丙基

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(222) / 评论(0) 分类 VOA2003(下)-农业与经济

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(281) / 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(254) / 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(212) / 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(261) / 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(278) / 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(207) / 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(222) / 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(227) / 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(199) / 评论(0) 分类 2018年NPR美国国家公共电台12月

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(218) / 评论(0) 分类 VOA标准英语2010年(二月)

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(178) / 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(197) / 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(224) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a complete range of
abra
abrasive lapping machine
adrianople twill
angiopathies
antiquest
armogenesis
attitude grecque
automatic ultrasonic cleaning
botanise
brachial triangle
bridelope
bulging dies
Burnhaven
carrier injection luminescence
cast phenolics
cathode layer enrichment
check valve guidance
clock source
cochems
coilia grayii
costiform
cutis tissue
dajuan
dark field microscope
determination of action
dislocation plateau
double-row ball bearing
doucets
dumas
electronic performance support system
enterotriptor
fried diced pork in chilli sauce
g.v
half-somersaults
hanger steak
harbory
hard-drinkings
hembra
horse-power requirements
hot wire galvanometer
hyper igm syndrome
individually driven stand
isotopic geology
kasfir
kees
langu-
leaf-like stem
learning institution
lift pin stripper molding machine
mean-rootsquare
mend or mar
microcomputer governor
micronutrient
million (m)
mshtml
muffin-pan
multiphase physicochemistry
Māsimpur
net laying
oligocythemic
optical fibre communication system
orangutan
ostorhinchus doederleini
Patrai
post-degree
prionotuss
projectile vomit
psammite
puberties
pushing away
RAM cache
recent works
Reuther, Walter Philip
rhinoceri
santen
scrap merchants
selectorized
Siluroidea
sodium metasulfite
solid rocket booster (srb)
stagefuls
stock split-up
Stolz stop
strain rebound
stratofortress
subeucalanus subtenuis
superstructure end bulkhead
symphytums
tableting
tender heart
thermal vision
TL.
topping operation
turnkeyed
uhhh
univalents
veeblender
virtual reality (vr)
vortex rain
wobblies
Wolff's law