[化] 肌苷酸; 次黄苷酸; 次黄嘌呤核苷酸

1. I work in a post office. Are you a letter carrier? 2. Greg works in a bank. Is he a teller? 3. They live in Washington. Are they senators? 4. I eat breakfast at 8:00 a.m. What do you eat? 5. She goes to work at 9:00 a.m. Where does she work? 6. Ed

发表于:2018-12-02 / 阅读(158) / 评论(0) 分类 英语词组对话

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(269) / 评论(0) 分类 (科普英语)Earth and Sky

This is the VOA Special English Development Report. Seven activists from around the world have received the Goldman Environmental Prize for two thousand nine. Former Vice President Al Gore presented the prizes in San Francisco, California last week.

发表于:2018-12-07 / 阅读(185) / 评论(0) 分类 VOA慢速英语2009年(四)月

1. Where are the pencils? They're on the second shelf. Okay, thanks. 2. How much is this mirror? It's $19.95. Okay. I'll take it. 3. How much does this cost? That one is $5.00. How about this one? 4. How much are these? They're $4.00 each. That's too

发表于:2018-12-17 / 阅读(133) / 评论(0) 分类 英语词组对话

Henry Ford Made the Automobile Industry an Important Part of the Nation's Economy Ford's Model T was the last of the early cars in the brave, new world of automobile development. ANNOUNCER: People in America, a program in Special English on the Voice

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 名人轶事

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(308) / 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(183) / 评论(0) 分类 英语导读1000句

Grammar Girl here. Todays topic is readability. And just to mix things up, Im bringing in Adam Freedman to host todays show. Adam is the author of The Party of the First Part, a witty, entertaining book about legalese that goes on sale September 4. I

发表于:2019-01-02 / 阅读(120) / 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(150) / 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(196) / 评论(0) 分类 2013年VOA慢速英语(五)月

BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we tell about vitamins. (MUSIC) BOB DOUGHTY: Many jobs must be done with two people. One person takes the lead. The othe

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2010年VOA慢速英语(九)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(181) / 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(159) / 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(146) / 评论(0) 分类 VOA标准英语2012年(八月)

The new film from writer-director Tom McCarthy explores themes he featured in his acclaimed earlier films The Station Agent and The Visitor: issues of family connections and choices ordinary people make in everyday life. Here's a look at the bittersw

发表于:2019-01-14 / 阅读(145) / 评论(0) 分类 VOA标准英语2011年(三月)

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(182) / 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(228) / 评论(0) 分类 VOA常速英语2007年(十一月)

George is going to make a salad. He is going to make a simple salad. It will be a simple salad, but it will also be delicious. His salad will have only two ingredients. One ingredient is fresh cucumber. A cucumber is dark green and long. George will

发表于:2019-01-20 / 阅读(211) / 评论(0) 分类 超级简单英语阅读

Ross Dunn The Palestinian leadership reacted strongly to statements by President Bush implying Israel has the right to retain some Jewish settlements in the West Bank . Senior Palestinian officials ar

发表于:2019-01-30 / 阅读(123) / 评论(0) 分类 VOA2004(上)--各类新闻

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(210) / 评论(0) 分类 新西兰英语
学英语单词
adjacent area inset
anogamic propagation
aspect system
at or better
bachelors of science
battle simulation
bioscans
bull's-eye ring
Caribbean Region
cebrum
champetier
Chermai, Sungai
concealed conduction
congenital hypertrophic pyloric stenosis
craniospinal ganglia
crystal size
diamidine
dimensional kernel
discerpted
driving lever for crosshead lubricating pump
embolophrasia
epoxy sealent
epqs
ernai
fill to end-of-block
filter acid
fixed phase shifter
flange coupling
fluid bath
fundus of bladder
generator of a cone
girtman
gytling
hexagonal system
hide one's head
high safety
IATO
immunolabeling
incomparable set
information flow
jarful
laigle
lawta
leggetts
lopexes
lorac(long range accuracy)
magnetic metal
mason and dixon lines
metal powder metering apparatus
Montseny, Parc Natural de
moptops
multi-r-f-channel transmitter
musuli interspinales lumborum
natural bonded molding sand
Nestor notabilis
net.citizen
new brunswicks
nonzoological
nose-bag
nuby
Oswald, Lee Harvey
oxyacetylene welding outfit
parabola mass-spectrography
parataxes
parietal fossa
Patrickswell
paula
Pełczyn
pimelopterygium
pore
port resources
professional education
Proffered service stinks.
Pungam-ni
puritans
reading-frame
remonstratory
resisto
rolnick
rotary shield
sample deciles
scabby leprosy
scattering length
schaedler
seed plumpness
seismic moment
sell-side
spurge olive
sunspot number
superchamps
symboliste
Tiglyssin
Treasury Accountant
Triostium perfoliatum
two place
us pin
volquez
well-well
whole depth
Windows tablet
wythburns
yackov