二十碳五烯酸

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(355) / 评论(0) 分类 (科普英语)Earth and Sky

Broadcast: June 6, 2003 By Caty Weaver This is the VOA Special English Environment Report. The chief of the United States Environmental Protection Agency has announced her resignation. Christine Todd

发表于:2018-12-07 / 阅读(179) / 评论(0) 分类 VOA2003(上)-国际经纬

Liberian Refugee Gets New Face After Devastating Acid Burn Henry Cole has lost count of how many times hes been wheeled into surgery. In the last two years, Cole has had more than a dozen procedures. And there are more to come. But he has no complain

发表于:2018-12-08 / 阅读(221) / 评论(0) 分类 VOA标准英语2013年(一月)

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

发表于:2018-12-29 / 阅读(185) / 评论(0) 分类 英语课程学习计划和讲义

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(403) / 评论(0) 分类 知性英语

Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i

发表于:2019-01-02 / 阅读(284) / 评论(0) 分类 英语导读1000句

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(239) / 评论(0) 分类 健康与环境

Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid

发表于:2019-01-12 / 阅读(261) / 评论(0) 分类 2013年VOA慢速英语(五)月

AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa

发表于:2019-01-12 / 阅读(266) / 评论(0) 分类 2016年VOA慢速英语(二)月

By Patricia Nunan Kathmandu 19 April 2006 A police personnel stands next to a car that was burnt during a demonstration against King Gyanendra in Kathmandu Diplomatic efforts to stop Nepal from fallin

发表于:2019-01-13 / 阅读(227) / 评论(0) 分类 2006年VOA标准英语(四月)

A senior U.N. health official warns that governments must better prepare themselves to fight an influenza pandemic should one break out. Citing a new World Bank report that says the economic price tag of an influenza outbreak could top $3 trillion,

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2008年(十月)

Acid Attacks Continue in Cambodia Despite Harsher Punishments For Som Bunnarith, memories of the day acid violence changed his life forever are as vivid in his mind as the scars on his skin. When it splashed on me, it felt hot. It even burned through

发表于:2019-01-13 / 阅读(251) / 评论(0) 分类 VOA标准英语2012年(九月)

Pakistani Acid-Attack Victim Enjoys New Life in Texas After taking the oath of citizenship, Julie Aftab celebrated. I have waited eight-and-a-half years to hear those words, and those words mean so much to me, she said. Ten years ago, when she was 16

发表于:2019-01-13 / 阅读(214) / 评论(0) 分类 VOA标准英语2012年(八月)

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

发表于:2019-01-14 / 阅读(269) / 评论(0) 分类 VOA标准英语2013年(四月)

Folic Acid Supplements Shown To Reduce Risk Of Autism Green, leafy vegetables, fruits and nuts naturally contain folate, a B vitamin that helps the body make healthy new cells. Most pre-natal vitamins include folic acid because it protects against de

发表于:2019-01-14 / 阅读(255) / 评论(0) 分类 VOA标准英语2013年(四月)

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(309) / 评论(0) 分类 VOA常速英语2007年(十一月)

STEVE INSKEEP, HOST: So many Cabinet nominees, so little time. One of the nominees who has a hearing today is Scott Pruitt. He is the attorney general of Oklahoma - now President-elect Trump's nominee to lead the Environmental Protection Agency. He f

发表于:2019-01-16 / 阅读(182) / 评论(0) 分类 2017年NPR美国国家公共电台1月

JUDY WOODRUFF: Next: the changing requirements for ethanol in gasoline and bigger questions over its wider use in recent years. Today, the Obama administration proposed cutting the amount of ethanol that would be blended into gasolinenext year. The E

发表于:2019-01-27 / 阅读(216) / 评论(0) 分类 PBS访谈环境系列

用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句:fourscore and seven years ago, 那么,怎样才能记住 fourscore 这个词而终生不忘呢?只要我们了解了fourscore 的逻辑思维

发表于:2019-02-21 / 阅读(216) / 评论(0) 分类 实用英语

On September 18th, all New Zealand bread was going to have folic acid added to it. However, now the government has decided to wait three years. New Zealand and Australia have an agreement about food standards. Australia is going to add folic acid to

发表于:2019-02-25 / 阅读(296) / 评论(0) 分类 新西兰英语
学英语单词
access to store
Aconitum stylosum
Aioi
Amieira
anti-pitching fin
assembly modulation
besenes
binboga daglari
bon appetit
boron carbide powder
bosses about
botryblastoconidium
bran flake
coder-decoder
cold abscess
cold-preventiving property
coldlike
consolidated annuities
control interval block level
convulsions
cryosurgery of cervix uteri
ctx
data validity
defly
electron-coupled
extortious
factor of proportionality
fixed gain damping
FML
fore funnel
freemason
gefe
germ line(weismann 1865)germ track
get a charge out of
grand population mean
herschelian telescopes
high-pressure die block
Hygrochilus
indestructibility of matter
isotypes
j.gray
jew-fish
keep in leash
law of combining weight
LOB (line of balance)
locomotive operation and its indices
lycopodium somae
mandlen
Marinka
meliola robinsonii
metal reflector
methylacrylate
money-value assets and liabilities
mote cleaning machine
Multe-Pak-4
national performance review (npr)
neutral tax
Nodi lymphatici appendiculares
nondifferent
northern bluefin tuna
octane number sensitivity
persistent
pigmented peribuccale erythema
pilot machining cell
polars
pregnancy dysphonia
Priceless Plaster
ramp with nonslip surface
related coefficients
residual right
rilopirox
run someone ragged
Schijndel
security for default
shard
sheet film
smoke emission standard
smokology
somtum
spectral frequency
splitting decomposition
sufferers
supersonic tactical missile
supporting cells
sushumna
Swiss cheese plants
synchronization domain
Tambaoura, Falaise de
tennis net
thaler
That's right!
thermal neutron range
three-cavity mould
tomming down
tranation
transparent bridging
troopie
Uncle Scrooge
undoubtlessly
ungrounded supply system
vexillum curviliratum
video mixer