原地成酸酸化

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(261) / 评论(0) 分类 (科普英语)Earth and Sky

By Suzanne Presto New York 31 August 2007 The U.N. Assistant Secretary General for Humanitarian Affairs and Deputy Emergency Relief Coordinator, Margareta Wahlstrom, says the humanitarian situation in Sudan's western Darfur region is worsening. From

发表于:2018-12-08 / 阅读(193) / 评论(0) 分类 2007年VOA标准英语(八月)

发表于:2018-12-12 / 阅读(143) / 评论(0) 分类 医务英语

图片1 certain adj. 确定的,某一个,无疑的,必然的,可靠的 例句:For certain reasons I will be unable to attend the meeting. 因为某种原因,我不能出席这次会议。 certainly adv. 的确,(口语)当然,行 例

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

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(303) / 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(178) / 评论(0) 分类 英语导读1000句

Grammar Girl here. It's a rare bonus episode! Today's topics are generating story ideas and overcoming writers block. Matt from College Park wrote in saying that the podcast has helped his writing, and now his only problem is finding something to wri

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 英语语法 Grammar Girl

Part 9 - Difficult work situations andasking for a pay riseThis programme was first broadcast in 2001This is not an accurate word-for-word transcript of the programmeCarmela: Now youre too busy to worry about reading English grammar books anddiction

发表于:2019-01-07 / 阅读(440) / 评论(0) 分类 英语讨论

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(186) / 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(173) / 评论(0) 分类 2016年VOA慢速英语(二)月

South Africa's two most powerful leaders, the president and head of the ruling party, have warned the situation in Zimbabwe is dire and that urgent steps are needed to avoid a collapse in the country. VOA's Delia Robertson reports from Johannesburg,

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 VOA标准英语2008年(十一月)

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(151) / 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(137) / 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(174) / 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(220) / 评论(0) 分类 VOA常速英语2007年(十一月)

LULU GARCIA-NAVARRO, HOST: Navajo leaders are scrambling to find a new owner for the West's largest coal-fired power plant, the Navajo Generating Station. For four decades, both the Hopi and Navajo tribes have relied heavily on jobs provided by the c

发表于:2019-01-17 / 阅读(149) / 评论(0) 分类 2018年NPR美国国家公共电台11月

By Phillip Wellman Dakar 12 October 2007 Officials at the United Nations say they would like to review disaster management policy in West Africa, where recent floods have killed hundreds and left hundreds of thousands displaced. They say the floods h

发表于:2019-01-31 / 阅读(110) / 评论(0) 分类 2007年VOA常速英语(十月)

By Tony Budny Washington 28 February 2008 A top United Nations official is warning U.S. lawmakers that Iraqi refugees face what he terms absolutely dire circumstances in their countries of asylum. Between two and five million Iraqis have fled their h

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 VOA常速英语2008年(二月)

By Bill Rodgers Washington, DC 15 September 2006 watch Iraq report The latest violence in Iraq is causing deepening concern in Washington, both in the U.S. Congress and the Bush administration. Lawmakers of both parties are worried that the Iraqi go

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 2006年VOA标准英语(九月)

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(204) / 评论(0) 分类 新西兰英语
学英语单词
Aconitum leucostomum
acquired lymphedema
Adrianopolitan
Alytus
anesthesia note
antisymphatin
aprobarbitone
atemoya
backman tower
backside bus
badly off
breast bone
brewers' yeast
bulbus fritilariae
bulk rheology
capacity of short circuit
cephalogenesis
cervus canadenses
chronic sources of infection
circlec method
cosignatories
curve graph
dacrystenosis
daggily
devkits
doubling-up
driving by
DVLA
Elofesalamide
energy demand
excuse sb from
external axis of similitude
floats
Glareola
hailers
hard-drawing
hold facility
horse chestnut bark
IGG2
implementation restriction
inferior lateral cutaneous nerve of arm
intermediate subcontrol station
International Social Service
kerama
Khagaul
kiangs
leleu
lemnaceous
low spot
lower steam cylinder gasket
magistralities
Manchu language
marly soil
mentolabial sulcus
metasyncritic
metreages
Moussenga
NIDM
niminy-piminies
noise monitoring
non-insulated container
optical beat interference
overall consumption expenditures
pancreozyme
Parinaud's oculoglandular syndrome
pithos
Priabonian
propulsive horse-power
pseudochirality
put it across sb.
PWC
quadrature-axis magnetizing reactance
radial inflow turbine
rearwardfacing
receipt of payment
reef trap
Reevesia sinica
reproduction of antique pottery ware
rest oneself
retarder control machine
roll titles
sai-e
scattering geometry
selection of multifunction
selffusible
shaft current
shnorred
subsievesize
swasivious
swollen investment
synthetic nitrogenous fertilizer
take ... call
thin-wall
three lobe pump
toughness of material
tumion seed
tung oil tree
unshaking
us tin
whole lot
zero-betas