[网络] 光酸;质子酸有时被称爲光酸;结构形成光酸

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(251) / 评论(0) 分类 (科普英语)Earth and Sky

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(120) / 评论(0) 分类 VOA标准英语2013年(一月)

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(291) / 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(169) / 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(129) / 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(178) / 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(163) / 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(138) / 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(128) / 评论(0) 分类 VOA标准英语2012年(八月)

Use of Acid Attacks for Punishment Persists in Pakistan 巴基斯坦仍存在泼洒硫酸作为惩罚 Despite laws against acid attacks, the practice of pouring acid on men, women and children as a form of punishment continues in Pakistan. Two victim

发表于:2019-01-14 / 阅读(126) / 评论(0) 分类 VOA标准英语2014年(二月)

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(165) / 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(155) / 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(210) / 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(187) / 评论(0) 分类 2007年VOA标准英语(六月)

Photo of my wife 我老婆的照片 A businessman enters a tavern, sits down at the bar, and orders a double martini on the rocks. After he finishes the drink, he peeks inside his shirt pocket, and then orders the bartender to prepare another double

发表于:2019-02-08 / 阅读(176) / 评论(0) 分类 趣味英语

I love to use my laptop, to play around with different programs, to surf the web, and to edit photos. Today I have been doing that for hours. Now that my app has come out in iTunes, I have been trying to design a really good photo for it. The existin

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 英语博客 A cup of English

今天我们要学的词是photo op. Photo op是photo opportunity的简称,意思是为做宣传而专门安排的媒体拍照机会。The meeting between the two Presidents was followed by a photo op, 两位总统会面后接受媒体拍照。 一架

发表于:2019-02-17 / 阅读(156) / 评论(0) 分类 英语每日一词

a photo of my family This is a photo of my family.It was taken in the Ocean Park by a tourist last year.Look!People who is in the picture is smiling! The woman who is standing in the front is my mother .She is young.She is a teacher of Liannan Primar

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 英语作文

今天我们要学的词是photo op. Photo op是photo opportunity的简称,意思是为做宣传而专门安排的媒体拍照机会。The meeting between the two Presidents was followed by a photo op, 两位总统会面后接受媒体拍照。 一架

发表于:2019-02-19 / 阅读(129) / 评论(0) 分类 英语单词荟萃

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(191) / 评论(0) 分类 新西兰英语
学英语单词
a. coronaria (cordis) dextra
absolute lethal (factor)
Adelges abietis
adult-life
affinized
anarchy symbols
art brut
As you brew,so shall you drink .
autochthonous blastoma
Ballincloher
banded texture
Benzi Box
blood replacements
bow step
brass ordinary
bratstvo
calcium salicylate
cathode dark space
CharcoAid
chatting
Chlorhydrate
choudhries
clearing away the heat located at Shaoyang Channel
Colorado ruby
conversion routine
cootehills
crosstalk balancing
cruiserweight
cumulative weekly sale
current fund turnover days
diamond-backed
disseverments
dynamic directional stability
elasticity of volume
emergency head back up connection
eucephalozia bicuspidata (l.) sechiffn
fleshless
Gajdusek, D(aniel) Carleton
gymnologize
high-voltage testing device
holtz
ilet
inhabitable
iron-silver composition
jectigation
Kärevere
lavishly
link and forelock hook
lunchspot
M.C.S.
multiple grinder cutting machine
Murphed
mussinis
Nippon Press Center
northerly turning error
open cream pasteurizer
oxypropane cutting
pandanus languages
parum
persuasive burden of proof
phyllostome
physical optics
pigeon berry
Plöckenstein (Plechý)
positional representation systems
pre-lunches
put ... to the vote
quart.
red-branched amelanchier
refined glass
round trip flight
S.P.C.A.
salvational
sandwich bars
Semenov
Septième, Rég.
single-movement
skip class
social climber
soil microbial biomass
Sonsonate, Dep.de
spacearium
substituting cells
switch angle
tallient
tandem skating
tarmacs
thenylene
thiocyanometric titration
timewatch
track setting
transforation
transformer compartment
transurethral sphincterotomy
turkey feeding
unburnished
underground line
unununium
Versols-et-Lapeyre
vested school
villane
waxcloth