亚氨基酸

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(544) / 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(574) / 评论(0) 分类 知性英语

By Scott Stearns White House 24 February 2006 President Bush says he is optimistic that Iraq will succeed in forming a government of national unity, despite sectarian violence following this week's bo

发表于:2019-01-03 / 阅读(372) / 评论(0) 分类 2006年VOA标准英语(二月)

By Paula Wolfson Washington 07 July 2006 President Bush says the seven missile launches this week by North Korea provide an opportunity for the world to come together to deal with Pyongyang's nuclear ambitions. The president says he is optimistic di

发表于:2019-01-04 / 阅读(421) / 评论(0) 分类 2006年VOA标准英语(七月)

By Bill Rodgers Washington. D.C. 29 March 2006 watch Civil War report A grieving widow touches her husband's coffin as it is carried to a cemetery The continuing sectarian violence in Iraq has raised

发表于:2019-01-06 / 阅读(446) / 评论(0) 分类 2006年VOA标准英语(三月)

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(413) / 评论(0) 分类 2016年VOA慢速英语(二)月

By Scott Stearns White House 21 March 2006 President Bush President Bush says there is more fighting ahead in Iraq, but he is confident U.S. troops will be victorious. Mr. Bush held a White House news

发表于:2019-01-13 / 阅读(419) / 评论(0) 分类 2006年VOA标准英语(三月)

Libyans Optimistic on Democracy, Challenges Loom In the first blush of enthusiasm after the nine-month struggle to oust Moammar Gadhafi, many Libyans are optimistic that the country will be able to move toward democracy with little payback for the ir

发表于:2019-01-13 / 阅读(465) / 评论(0) 分类 VOA标准英语2011年(十一月)

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(435) / 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(469) / 评论(0) 分类 VOA常速英语2007年(十一月)

Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors

发表于:2019-01-30 / 阅读(433) / 评论(0) 分类 英语语法 Grammar Girl

By Mohamed Elshinnawi Washington, D.C. 07 March 2006 watch IAEA report A defiant Iran warned the International Atomic Energy Agency that it would press ahead with uranium enrichment if the agency push

发表于:2019-01-31 / 阅读(358) / 评论(0) 分类 2006年VOA标准英语(三月)

By Margaret Besheer Washington 09 May 2006 Iraq's Prime Minister-designate Nouri al-Maliki talks to reporters during a news conference in Baghdad, Tuesday, May 9, 2006 Iraq's Prime Minister-designate,

发表于:2019-01-31 / 阅读(370) / 评论(0) 分类 2006年VOA标准英语(五月)

By Melinda Smith Washington, DC 12 January 2007 watch Organ Donor report Human tissue for transplant being delivered to a hospital The traffic in human organs for transplantation is a volatile issue in the medical community and among desperately ill

发表于:2019-02-02 / 阅读(385) / 评论(0) 分类 2007年VOA标准英语(一月)

By Rory Byrne Phnom Penh 03 April 2007 Preliminary results indicate that the ruling Cambodian People's Party has won a landslide victory in recent local elections. The margin of victory was similar to the result of the last election and was widely fo

发表于:2019-02-03 / 阅读(350) / 评论(0) 分类 2007年VOA标准英语(四月)

今天我们要学的词是,limited。 Limited, 是有限的意思。拉美裔移民在维吉尼亚州的王子威廉姆斯县罢工一天,The one-day work boycott appeared to have a limited effect on businesses in the county. 但似乎并没有对

发表于:2019-02-03 / 阅读(323) / 评论(0) 分类 英语单词荟萃

Iraq's electoral commission has announced the preliminary results of last weekend's provincial elections, amid some accusations of irregularities and voting fraud. The Iraqi army and security forces, however, say that they will maintain order despit

发表于:2019-02-06 / 阅读(314) / 评论(0) 分类 VOA标准英语2009年(二月)

今天我们要学的词是timing。 Timing, 时机。中文里说,赶得早不如赶得巧。英文里说, Timing is everything. 时机决定一切。The timing of his marriage proposal was perfect, 他求婚的时机恰到好处。 目前就业市场

发表于:2019-02-07 / 阅读(323) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是optimistic。 Optimistic乐观的。美国第二季度国内生产总值公布后,President Barack Obama said he is 'guardedly optimistic' about the direction of the U.S. economy, 美国总统奥巴马表示,他对美国经

发表于:2019-02-18 / 阅读(310) / 评论(0) 分类 英语单词荟萃
学英语单词
aerological sounding
Altodor
amethystinus
antinomycosis
apo-decarboxylases
backwind
Balmer series
bunny boiler
butt-seam welding machine
caster monotype
cestodic tuberculosis
channelizes
colistins
Condylura
cries out against
crimp rigidity
customer order summary file
danzante
Dashtobod
dislocation boundary
duplex type
edge abrasion
eighty-column mind
electric marker
ellipsoidal grating
emilie
equal revenue line
equipotential surface of velocity
equity adjustments
fatty-type gear lube additive
feather key and keyway
fermentation technology
forced-entry
geniculate twin
genus Eichhornia
glass fiber reinforced polycarbonate
grass-land
Greeley County
green pigeon
gumbo-limbos
gynura divaricata formosana
Gyāraspur
habitfroming drug
hybridlike
hygrostomia
infra-red cataract
input frequency
James City County
jingle
Kavanga
Khowai
kindness
lagged piping
liaison committee
lightresistant
local cipher
lower compartment
mankiewicz
maximum and minimum thermometer
mcs (megacycles per second)
medisection
method of piling
mine laying boat
monoblock pump
mundick (pyrite)
neutrophilic leukocyte
nsra
old coon
part quality
penetrative sex
phantasmagory
Plattsburgh Air Force Base
popanoceratids
potassuim cyanide
pre-ordain
Proterosuchus
rack one's brain wits
radiomutation
rare earth ferrosilicon
rectilineally
retention of urine
rockogenin
romanizes
roughing tooth profile
SAF (safety)
seahawk
self-belay
shaft landing
short range sprinkler
Silel cast iron
sodium metaniobate
terraceless
thermophilic bacteria
thyratron switch
Tinner's joints
total burn-off fuel
total loading
tropometer
unruefully
vinegaring
Waldburg Ra.
wharrow