[化] 原硅酸

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(208) / 评论(0) 分类 (科普英语)Earth and Sky

HEALTH REPORT — April 10, 2002: Treating Osteoporosis By Nancy Steinbach This is the VOA Special English Health Report. Medical researchers say they may have found a new effective treatment for the

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 健康与环境

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(78) / 评论(0) 分类 VOA标准英语2013年(一月)

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 英语听力文摘 English Digest

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(249) / 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(131) / 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(90) / 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(137) / 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(126) / 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(90) / 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(81) / 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(122) / 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(116) / 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(168) / 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(149) / 评论(0) 分类 2007年VOA标准英语(六月)

I love to eat sweets--candy, cookies, caramel apples--- everything. But I don't like getting cavities. Is there a way to eat lots of sugar without ruining your teeth? D: Interesting question. First, let's assume that you're not going to cut out sweet

发表于:2019-02-16 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

The Cleaning Power of Soft Drinks! 饮料的神奇清洁能力 Lets begin with a cleaning tip: If you have some tarnished or corroded brass that you want to clean, an old brass candlestick for example, you can use Coca-Cola, or any other cola soft dr

发表于:2019-02-24 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿,每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W

发表于:2019-02-24 / 阅读(90) / 评论(0) 分类 英语听力文摘 English Digest

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(146) / 评论(0) 分类 新西兰英语

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(282) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
3-d ads
4-Methylumbelliferylphosphate
a TL
adult population category
Akkabak
anglecized
anthocyanidin
Antimachus of Colophon
arcus lumbocostalis medialis
auger grain loader
become partner
brayden
by halves
cold-front type occlusion
constipate
crista infrazygomatica
crystal rupture type
delivery measuring station
dibutyltin bromide
dispersion of waves
doggish
domain logic
drew upon
dropping fire
electronic storage element
Experience is good,if not bought too dear.
farad(F)
fission break monitoring
flask pins
forcing mating
fractured roof
fritillaria bifloras
H-P-O
harbo(u)r survey
high-pressure main
in search of romance
incident angle of the entering ray
Kupanskoye
La Ferme Res.
lamellariids
laqueus
leucinol
long term credit
mcfadyean
member of the Royal Institution of Navigation
metalomonossowit (metalomonosovite)
miserabler
molybdenum tetrasulfide
monster-god
motor coaster
nervus oculomotorius
nonanedioyl
nonbillionaire
Northeast Pashayi
oligohydramnios
on full time
on our ass
optical fiber line
pannus corneae
periarthritis of shoulder
personal-interest
pestalotia litchii
philanthaxia sauteri
phycocyan
Plöckenpass(Monte Croce Carnico, P.di)
pore water pressure meter
primary recrystallization texture
product gas composition
pure resistance
remolade
retrospective dose
Roman holidays
rotabelt
rupture of quadriceps femoris
salolphosphinic acid
salsister
samplings
sex-gender system
sheafification
snow shield
splitism
sprightliest
statutory receipt
stride for stride
sword-bearers
swordtailed
Thürkow
time parameter space
TLPA
transactional immunity
transverse focusing
two - way street
Türkenfeld
vaccum headache
valve type injector
veird
warp pile
Waukon
wax coat
wheeled cable drum carriage
Willow Lake
zero-order image