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(140) / 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(204) / 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(185) / 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(143) / 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(161) / 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(203) / 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(122) / 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(133) / 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(143) / 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(118) / 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(123) / 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(110) / 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(120) / 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(157) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-ir-
a Job's comforter
a trick of the trade
air driven gyroscope
Alcidae
antisome
atheologi.cal
Baconian
bitokotipou
blocked deposits
boat lashing
body centred grating
breathing supply hose
bubble cloud
bytide
Camberwell carrot
cash-cow
catacalas
cleavage poor
clithon sowerbianus
coercive intensity
cosi
counterpropositions
cyclone-prone area
deep water trap
Delphinium smithianum
divisor
dobrovsky
downhill skiing
drag carriage
drop-in
Ductus lobi caudati dexter
dwin
embrittled
engadin (engadine)
existential philosophies
facies evolution
Fallère, Monte
feeding pen
Firthian linguistics
Furenazin
Giffee
giftling
grand seigneur
great whale r.
gyrocompass supply
half round bent scraper
handcycle
hulkiest
ice cubes
instruction scheduling
integrated infection
isentropic mass transport
jousting
kantou matsuri (japan)
kick someone upstairs
krypton refrigerated liquid
laisser faire leadership
limited coasting trade
lithicon storage tube
load sharing parallel model
Lonicera chrysantha
lottery of lotteries
mean square error of a point
merlan
Mesotaeniaceae
Mexiletinc
musculus semi membranosus
Needham, John
Needle Mountain
negative sovereignty
nonantibiotic
nonfurry
parchemin
post alloy diffusion transistor
pseudorearrangement
puerperal thrombosis
quinin bromide
Rackham
re-lighting
rejuvenated river
removal of fractured root by flap operation
rossignol
semimature forest
shaft washer axis
shoots
single transmission
split on an accomplice
sternocleidomastold muscle
sugetly
superradiant emission
tetragonal-disphenoid
the way of all flesh
transportomes
undulatory theory of light
untimbered rill method
ventriculocentesis
vertical firing shaft
vessel safety engineering
volume of purchase
walk over
x-type