(acidifier 的复数) n.成酸剂
plural of acidifier
n. A simple or compound principle, whose presence is
necessary to produce acidity, as oxygen, chlorine, bromine, iodine,
etc.

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(294) / 评论(0) 分类 (科普英语)Earth and Sky

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(337) / 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(206) / 评论(0) 分类 英语导读1000句

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(497) / 评论(0) 分类 英语范文背诵20篇

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 英语语法 Grammar Girl

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(181) / 评论(0) 分类 健康与环境

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(183) / 评论(0) 分类 英语语法 Grammar Girl

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(210) / 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(200) / 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(177) / 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(160) / 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(202) / 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(251) / 评论(0) 分类 VOA常速英语2007年(十一月)

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(229) / 评论(0) 分类 英语语法 Grammar Girl

英文歌词: You try to multiply your speed by time to get your distance But you dont see the wood for the trees An experiment with existence Is showing up anomalies You see the day dissolve into the morrow And the slow growing of your second skin Adre

发表于:2019-02-03 / 阅读(180) / 评论(0) 分类 音乐咖啡厅

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(135) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(159) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(212) / 评论(0) 分类 英语新闻

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

发表于:2019-02-11 / 阅读(210) / 评论(0) 分类 VOA标准英语2010年(一月)

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(230) / 评论(0) 分类 新西兰英语
学英语单词
a state of siege
acetyltylophoroside
adverse occupation of residential premises
armed force
autopore
azetidine
brush ... off
calc-alkaline rock
canaris
cattle insurance
centre hole reamer
certified coal tar colo(u)r
Chiapas Highlands
Chineselike
circularity index
coal chemicals
coefficient of higher order
commercial cargo
congee
consensus of opinion
contabulation
contact phone
contactees
decinine
desulphurates
dignosce
directresses
drunken-sailor
end fent
equivalent variable
ergodic decompression
Erigeron vicarius
errancy
euthyneura
expounds
FAPUS
filler-free vulcanizate
financial ratios analysis
fissidens tosaensis
Fjällfjällen
Gentiana bryoides
Giuseppe Mazzini
glycim
hackleback
high alumina refractory fiber and its products
high school supervisor
high-sensitive detector
holyne
in the blink of an eye
integral control coefficient
irreducible rational representation
keep the lid down
lineae iliopectinea
mecuricals
Microscopium
molimina
morphea linearis
multiplicity of infection
necrospermia
non-metallic sheathed cable
nonschool
nozzle entry
offshore
optical densety
ouseburn
particularize
photoelectric seeker
pick up flesh
plain aerial
Planocaine
plant orders
Poyang, Lake
preparate
price effect
quarterpoint
rapid developer
rate of electricity loss from transmission line
rechartered
restricting element
river bed paving
salicylate
slavens
solamarine
spin magnetic resonance
splodginess
spring pocket
square-footage
stop-all button
the bar of public opinion
the King of Terrors
thringing
throw off the track
toroidal winding
triode ac switch
two dimensional network
valvocopula
water-bearing zone
whiskin
wolframium
zand
zero drift coefficient of gravimeter
zusya