心钠素

In countries around the world, hundreds of thousands of poor people face daily hazards to earn meager livings by scavenging for recyclable goods. In Cambodia, hundreds of scavenger families find their lives changing - they will lose their homes and

发表于:2018-12-16 / 阅读(153) / 评论(0) 分类 VOA标准英语2008年(十月)

Atrial fibrillation is a cardiac arrhythmia that often produces very disruptive palpitations, fatigue, and even shortness of breath. Worse, atrial fibrillation can substantially increase your risk of stroke. If you have atrial fibrillation there is l

发表于:2019-01-03 / 阅读(123) / 评论(0) 分类 实用英语

By Michael Bowman Washington 04 June 2008 Late Tuesday, Illinois Senator Barack Obama made history as the first African American to win the presidential nomination of a major U.S. political party, becoming the presumptive Democratic standard bearer.

发表于:2019-01-11 / 阅读(147) / 评论(0) 分类 VOA标准英语2008年(六月)

By Meredith Buel Washington 27 October 2006 The United States says it is ready to help Saudi Arabia defend its oil facilities against terrorist threats, following a statement by the British navy asking merchant shippers to be on alert for suspicious

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 2006年VOA标准英语(十月)

By Dan Robinson Capitol Hill 25 April 2006 A U.S. government official has told Congress Iraq's new government will require long-term U.S. and international assistance if reconstruction efforts are to

发表于:2019-01-13 / 阅读(211) / 评论(0) 分类 2006年VOA标准英语(四月)

By Jim Randle Pittsburgh 25 September 2009 Leaders of 20 of the world's leading and emerging economies are gathered in Pittsburgh, seeking ways to fight the recession, and keep economic troubles from breaking out again. Friday, presidents, prime min

发表于:2019-01-13 / 阅读(129) / 评论(0) 分类 VOA标准英语2009年(九月)

Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(一月)

Ethnic Karen minority children play soccer on a muddy field at their refugee camp along the Thai-Burma border near Mae Sot, Thailand, 29 Jun 2010 Burma's ethnic Karen communities and rights groups are reporting stepped up attacks by Burma's military

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2010年(七)月

Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 VOA标准英语2010年(二月)

Sustained Irregular Heartbeat Raises Mortality Risk for Middle Aged Women Many doctors see atrial fibrillation (AF), an abnormal heart rhythm, in their elderly patients. But a new study indicates that a surprising number of middle aged women, who are

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 VOA标准英语2011年(六月)

Swaziland has one of the highest HIV prevalence rates in the world - 26 percent for those between the ages of 15 and 29. But to deal with the epidemic, health officials must do more than increase treatment, care and prevention efforts. They must also

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(十)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(184) / 评论(0) 分类 英语单词大师-Word Master

This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

发表于:2019-01-31 / 阅读(181) / 评论(0) 分类 2010年慢速英语(二)月

By Chris Simkins Washington 16 April 2008 Millions of Americans could lose their homes this year and next as the rate of foreclosures across the United States rises to the highest in decades. The foreclosure crisis has worsened despite ongoing effort

发表于:2019-01-31 / 阅读(146) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要讲的习惯用语里都有一个主要的单词:scratch。很多人都知道scratch这个词的意思是抓、或者刨刮表面。你要是给蚊子叮了一口,你就会这样做:scratch your skin with your fingernails。就是你

发表于:2019-02-03 / 阅读(250) / 评论(0) 分类 美国习惯用语

By Al Pessin Pentagon 06 February 2008 U.S. Defense Secretary Robert Gates faces his NATO counterparts at a meeting starting Thursday in Lithuania, just days after comments he made and letters he wrote generated angry responses from some allies. VOA

发表于:2019-02-04 / 阅读(168) / 评论(0) 分类 VOA常速英语2008年(二月)

By Gary Thomas Washington 20 March 2008 Loyalists of President Mahmoud Ahmadinejad were big winners in the recent parliamentary elections. With many reformists locked out of the electoral process, the contests were primarily between different faction

发表于:2019-02-04 / 阅读(136) / 评论(0) 分类 VOA标准英语2008年(三月)

By Peter Heinlein Addis Ababa, Ethiopia 17 October 2007 A group concerned with human rights in Ethiopia's eastern Ogaden region says refugees fleeing to neighboring Somalia are being rounded up by Somali authorities and handed over to Ethiopian troop

发表于:2019-02-06 / 阅读(231) / 评论(0) 分类 2007年VOA常速英语(十月)

By Mil Arcega Washington 08 March 2007 watch Export Control report A coalition of technology and manufacturing associations is pushing for an overhaul of the nation's export control system. The group claims current U.S. regulations aimed at keeping

发表于:2019-02-07 / 阅读(191) / 评论(0) 分类 2007年VOA标准英语(三月)

By Jim Randle Irbil, Iraq 07 September 2007 Recent reports to the U.S. Congress about the situation in Iraq point to limited success by the Iraqi government in establishing security but continuing problems in bringing about political reconciliation.

发表于:2019-02-09 / 阅读(184) / 评论(0) 分类 2007年VOA标准英语(九月)
学英语单词
all-paper
aluminosilicates
amandine
asshole buddy
atheroprotected
automatic hysteresis loop recorder
balance at the beginning of the period
basibranchiostegal
be sb's department
Beckettian
benziminazole
bilk out of
bring back to life
bruguiera cylindrica bl.
call progress
careers advice
charged call
chiota
claman
contact twin
continuous oven
councils of ephesus
cut-off machine
d.h.g.
Damaraland mole rat
Difluorobenzene
dihydroxyphenylalanine
Disket
division signs
edirne (adrianople)
eldertons
embryo adoption
energy dilemma
ernestina
event-goer
exosporium viticis
Floor-plank
force draught cooling tower
getable
gurjum balsam
half-sibling
hardware factory
home-felt
hydraulic-electric lift
immune system disorder
in raptures
international nautical mile
kochichthys flavofasciatus
laugh about
left lumbar turnks
low-level radioactive wastes
lung-distension
machine handle with sleeve
Makutu Mts.
malevitch
management and labo(u)r
medullocell
meltyre
Middle England
momentum vector
monoimines
neat revenue
neutron converter
nonmeaning
of tender age
orthophot
peripheral software driver
place in the forefront
poplar inset
prepreg tack
propagandisms
quillaja saponin
refrigerated seawater fresh-keeping fish carrier
sa(e)dd
Sakhanina, Guba
sales promotion planning
scoucers
self complementary counter
self-acceptances
self-acting slope
settled bed fast reactor (SBFR)
single point calculation
slipped tendon
solar proton monitor
spring nest
spurt into popularity
stamp acts
Standard de Stat
STL
submarine denudation
tensile splitting strength test
the rspca
theomagic
thermosetting type
third-order nonlinearity
tower top temperature
tricornes
unmanned weather station
vocalisation
walth
whirlary
wick feeder