耐酸球墨铸铁

Report: Environment and Food Needs Can be Met Agriculture has been a major driver of human-caused climate change, responsible for up to 30 percent of global greenhouse gas emissions. At the same time, its also extremely vulnerable to the effects of r

发表于:2018-11-29 / 阅读(131) / 评论(0) 分类 VOA标准英语2012年(十二月)

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(221) / 评论(0) 分类 (科普英语)Earth and Sky

Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan

发表于:2018-12-08 / 阅读(79) / 评论(0) 分类 2018年VOA慢速英语(十)月

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(101) / 评论(0) 分类 VOA标准英语2013年(一月)

Did you know that there could be more bacteria living in your mouth than there are people on earth? 你知道吗,寄居于你口中的细菌有可能比全世界的人口数还多? Bacteria love our mouths because the livin is easytheres plenty o

发表于:2018-12-28 / 阅读(146) / 评论(0) 分类 初学者听力文摘精选

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(267) / 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(143) / 评论(0) 分类 英语导读1000句

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 医务英语

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(103) / 评论(0) 分类 健康与环境

By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort

发表于:2019-01-07 / 阅读(117) / 评论(0) 分类 2007年VOA常速英语(十月)

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(108) / 评论(0) 分类 VOA常速英语2008年(二月)

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(154) / 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(140) / 评论(0) 分类 2016年VOA慢速英语(二)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(115) / 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(100) / 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(139) / 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(132) / 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(189) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid

发表于:2019-01-16 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(六月)

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(166) / 评论(0) 分类 新西兰英语
学英语单词
aceclofenac
acrodactyla orientalis
amberous
android pelvis
arc spectrum
availability effects
axial flow bolwer
Bazheng San
be contained between
becoming-again
beneficials
Burchard's test
carry-over to the next term
cash customer
cctohydroxylated acid
charnley
chromium complex coupling agent
cornetts
cosmoplane
cross running knot
dermatitis gangrenosa infantum
die tie-plate
dielectrophoresis force
disceptation
dock-glass
document of passenger transport
electron transfer
electronic raster scanning
embryonal cartilage
enol ether
ervindine
explosion caldera
Fa-hsien
feline infectious enteritis virus
ferrocement barge
five-letter code
gage setting device
Gamow-Condon-Gurncy theory
gelatinous membranes
haemangioblastomata
heteropythosis
historicasters
Huernia
hyperboly
imperfect consonant interval
income behavior
infra-haemal spine
inouela formosensis
James Brown
Jewish question
Kalimeris shimadae
kulonate
lactoglobulins
laureater
left hand member
ligand field stabilization energy
linoleoyls
liquid header
magma-glass-ashes
microreactor activity
mongolica
monopoly marginal cost
museophile
mute swans
mysell
nemorous
neural arc
oncontic
open square butt weld
order Cetacea
parapsoriasis lichenoides
parasitization
peronospora chlorae
piccirillo
piper hancei maxim.
place marketing
Polus posterior lentis
preponderance theory
protophobic
ramalina subgeniculata
REMF
Rāyen
sacral canal
Scythian
seed quarantine
Siemens Nixdorf
soda barium glass
spinning frames
start/stop transmission
stenothermal
superharden
sweaters
swordes
szaibelyite
transmute
unsent-for
unstructured programming
var. pancreas accessorium
vena cerebellums
walding
yellowfacing
zero row