[化] 酸式配位化合物; 酸式络合物(例如MHL,其中M代表金属,L代表配位体)

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

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(107) / 评论(0) 分类 英语语法 Grammar Girl

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(73) / 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

[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.

发表于:2018-12-26 / 阅读(137) / 评论(0) 分类 轻松英语之旅

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(243) / 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

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(84) / 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)

The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when

发表于:2019-01-14 / 阅读(106) / 评论(0) 分类 VOA标准英语2011年(一月)

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(78) / 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)

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(67) / 评论(0) 分类 英语时差8,16

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
学英语单词
accounts due on consignment out
action-effects
addition mutation
Ameixial
annulment decree
biodegradation of pollutants
blood bath
building material map
Castillo, Can.del
CBEL
channel compensation
charangas
chexk for tightness
Chinese astrology
chloridoid
classical information pattern
collocable
colloq.
combinant (lenz 1938)
compound amount of 1
congenital macrodactylia
Contract-labour
corn hybrid
cutlass fish
decayers
decommit
delay amplifier
Derris robusta
detailed layout
digital differential analyser (dda)
drew near
EFFCY (efficiency)
endless cable system
ENIW
erlenmeyers
fakhar
firkin
glazed brickfaience
glegs
gloatingly
golden crescent
gravic
gypsum pan
hard chine
height net
hepatolith
here goes nothing
horizontal bench drill
hornyhanded
human rights commission
hydrogen spectral series
hygromycins
hypo-eutectic alloy
IC4A,I.C.4-A
ice cast
Ijaws
ill goodwill
in quotes
inner valve spring
intermeshing rotors helicopter
jararaca
jogtrot
law of recaptulation
Layrub universal joint
Little Russians
management agreement
Melle process
mitral insufficiency
network management server
non-accounting error
nucleus of cell
operation form
parataxic distortion
perniciousnesses
PHAC
pharmaceutical sleep therapy
platystencephalic
Pomeranchuk pole
prejunction
pseudoreticulate
pump room sea-valve
Pölläkkä
restrictive temperature
runaway speed test
second harmonic
Sete Pedras
shore-based ferry radar
single-coiled relay
single-pressure feed valve
souyaves
stannate
steady state accuracy
suffocative convulsion
synthetic fibre
tea-strainers
Temora
TouchWiz
truceless
unduplicated audience
water base paint
without affection
zapriouns obscuricornis