音标:['mәθәnә,dʒen] ;
n. [微]产烷生物
n archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas
词型变化:名词复数形式 : methanogens

Photo: AP Margaret Chan, Director General of World Health Organization speaks at a press conference at WHO headquarters in Geneva, 29 Dec 2009 It would be prudent and appropriate for WHO, together with our member States to continue to monitor the evo

发表于:2018-11-29 / 阅读(202) / 评论(0) 分类 VOA标准英语2009年(十二月)

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(142) / 评论(0) 分类 VOA2003(下)-农业与经济

After 'Gen X', Today's Young Might be Gen E Americans like to give names to generations. We call those who lived through World War II, the Greatest Generation; those who came of age reading the beatnik poets of the 1950s, the Beat Generation; those f

发表于:2018-12-08 / 阅读(129) / 评论(0) 分类 VOA标准英语2012年(三月)

The multi-talented Kitano Takeshi, a.k.a. Beat Takeshi, is a Japanese comedian, actor, TV presenter, author, poet, painter, video game designer, award-winning film director and academic. He is one of the few Japanese entertainers to be famous around

发表于:2019-01-01 / 阅读(183) / 评论(0) 分类 各国名人英文介绍

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(205) / 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(188) / 评论(0) 分类 Scientific American(四)月

Hey sister, go sister, Soul sister, flow sister Hey sister, go sister, Soul sister, go sister He met Marmalade down In old Moulin Rouge Strutting her stuff On the street She said, Hello, hey Joe You wanna give it a go, Oh Gitchi gitchi ya ya da da (H

发表于:2019-01-10 / 阅读(154) / 评论(0) 分类 The Voice 美国好声音

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(145) / 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(165) / 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(205) / 评论(0) 分类 VOA标准英语2012年(六月)

Israel's new right-wing government is considering a territorial concession to Lebanon. An elderly Israeli Arab in his home in the village of Ghajar on the border with Lebanon, 03 May 2009 Prime Minister Benjamin Netanyahu supports pulling out of a d

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2009年(五月)

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(124) / 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(135) / 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(146) / 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(124) / 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(111) / 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(123) / 评论(0) 分类 环球英语 Spotlight

ROME, Nov. 4 (Xinhua) -- Antonio Cassano underwent a heart surgery Friday morning to correct a congenital defect which was uncovered this week. The procedure, which took around 30 minutes to complete, is understood to have gone according to plan, the

发表于:2019-02-26 / 阅读(178) / 评论(0) 分类 英语新闻

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(158) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abdominal pool
aggressor troop
air pollution measurement
analysis of cost
andfor
anhypnia
appias nero domitia
artificial data
askari
augmented fourths
Bacillus septicus acuminatus
bellyless
ber-nie
bian
Carinus
cerevoccidin
cheapild
Chondrodendron
chuanxiong rhizome
chum up with sb
coindex
complaint about
contractionary policy
control register instruction
coughing centre
curtain chain
cystourethroceles
degree of substitution
deposit for tax payments
do a favour for someone
duskily
edge coal group
effective indicated mean pressure
electronystagmography
equal appearing interval method
ester ether
feed of wide size distribution
first-timers
fluted roller crimping
force balance-type manometer
gilravage
governmental organs
haemalum
hanonaite (hannayite)
have one's tongue in one's cheek
HCSHT
helmet liner
hernia testis
inevitable discovery exception
keys to
law of average localization
leave in trust
ludy
mackeith
meliola cameliae (cattaneo) sacc.
microbattery
midguts
mipor rubber
multi-turn rotary actuator
NAHD
non-melt
noncapricious
on the far side of
opt-out clause
optical attenuation length of sea water
photoacoustic spectrometer
photodraft
photoetched evaporation mask
pitch-kettle
Pocahontas
pre-registration
precompensate
program generating system
put someone's nose out of joint
Queenite
read rights
reduced instruction set computer
rod tipping mechanism
Rodelle
rotary cut-off
runner plug
sailor hornpipe
semi-killed ingot
shipwrecked
signal duration
simultaneous game
squigglies
stable design
stripper efficiency
Syngachol
tablemate
Teggour
thoracomelic monster
traditionalised
trial stimulus
trimethylantimony
triode thyristor
unloading pulley
working memory area
Yezhuga
zero-level gete
zinco