异戊硼酸

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(202) / 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(71) / 评论(0) 分类 VOA标准英语2013年(一月)

[00:00.00]Dean accent tap generally speaking [00:05.15]迪安(男名) n.口音;音调 n.(自来水等的)龙头 一般说来 [00:10.29]eastern notice differently Ottawa [00:15.43]adj.东方的;东部的 vt. n.注意;认识 adv.不同地 n.渥太华

发表于:2018-12-13 / 阅读(251) / 评论(0) 分类 高中英语词汇

This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Israeli researchers say they have developed a substance that attracts and kills mosquitoes infected with the malaria parasite. However, the sweet smelling

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 2011年VOA慢速英语(二)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(242) / 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(123) / 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(84) / 评论(0) 分类 健康与环境

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 Scientific American(八)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(131) / 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(119) / 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(83) / 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(75) / 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(77) / 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(113) / 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(110) / 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(161) / 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(144) / 评论(0) 分类 2007年VOA标准英语(六月)

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(82) / 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(139) / 评论(0) 分类 新西兰英语

Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ

发表于:2019-02-25 / 阅读(117) / 评论(0) 分类 英语新闻
学英语单词
5-fudr
Ablatherm
alfaprostol
alignment prism
all-in-one pliers
allosteric regulation of enzyme
antique finished ivory carving
Basseterre
binomial aarray
brown falcon
bubble transfer
Buonaparte family
Catorce
club-sandwich generation
Collinstown
comminutor
communications operating instructions
cosmetical
creeping film
critical argument
cyanophoric glycoside
depreciation-fixed installment method
detracking
early ejaculation
echinoderm genus
educatory
examinees
execution level
ferro-manganese
flother
galvanized locknut
get beyond control
Goyder
greater palatine nerve
grinding section
ground wood filled board
Hearts of Oak
helical coil type valve spring
heterogel
horizontal vertigo
icejam
independent variable unit
indeterminate leprosy
innervating
institutrix
instruction segment descriptor register
inventory strategy
kafila
lagomite
land-grant act
line-casting
linguistic communications
lissoporcellana spinuligera
Magnolia acuminata
mallee scrub
masticatory mucosa
menlibranous urethra
micro capillary
Mighty Mouse
non under control light
norsgald
operations sequence analysis
oxygen groove
palaeogenetics
phosphorescent decay
post horse
pseudoguaianolides
quick clay
reconfined
refactorize
reproduction camera
rest hardening
reversible temperature indicating pigment
rigid pushing
rollickingly
sail the foam
San Cristobal I.
scomberoides tol
secca
secondary constriction
self-cleansing action
self-extensible language
serum lipase determination
shared-memory
shoult
spiral chuck
split gear
ST_weight-and-firmness_flexible-loose-and-yielding
stove checker system
strestell
structural surface effect
switching arc
thermoelectromagnetic pump
thionyl imide
to come into existence
Toba Inlet
tonto
tuck one's tuck
undid
wbur
worker's insurance
zero rates of duty