[化] 脱氧胞苷酸

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(337) / 评论(0) 分类 (科普英语)Earth and Sky

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(163) / 评论(0) 分类 英语听力文摘 English Digest

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(394) / 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(266) / 评论(0) 分类 英语导读1000句

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(224) / 评论(0) 分类 科技之光

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(249) / 评论(0) 分类 2013年VOA慢速英语(五)月

This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 The Southeast Asian English Olympics begin Monday in Jakarta. High school and university students will compete to demonstrate their English skills at t

发表于:2019-01-12 / 阅读(200) / 评论(0) 分类 2011年VOA慢速英语(二)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(246) / 评论(0) 分类 2016年VOA慢速英语(二)月

The explosion of piracy off the coast of Somalia in recent years has exposed a weakness in the United Nations maritime law that makes high seas piracy illegal throughout the world. An undated image made available in London, 08 Apr 2009 by Maersk Lin

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 VOA标准英语2009年(四月)

Fire Dept. shoulders costs in neighborhoods lacking doctors and medical clinics Chris Simkins | Washington, DC 20 November 2009 In large cities like Washington, to ensure the fastest response to medical calls, fire departments dispatch trucks carryi

发表于:2019-01-14 / 阅读(151) / 评论(0) 分类 VOA标准英语2009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(253) / 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(291) / 评论(0) 分类 VOA常速英语2007年(十一月)

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(191) / 评论(0) 分类 英语博客 A cup of English

As the International Criminal Court's chief prosecutor prepares to issue new arrest warrants in an investigation into the conflict in the Darfur region of Sudan, there is growing speculation that Sudan's President Omar al-Bashir will himself be targ

发表于:2019-02-04 / 阅读(141) / 评论(0) 分类 VOA标准英语2008年(七月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(217) / 评论(0) 分类 英语博客 A cup of English

A teacher asked one of her pupils, What'sthe nation's capital?The reply was, Washington DCOn being asked what the DC stood for,the pupil added, Dot com!

发表于:2019-02-09 / 阅读(201) / 评论(0) 分类 趣味英语

I love to eat sweets--candy, cookies, caramel apples--- everything. But I don't like getting cavities. Is there a way to eat lots of sugar without ruining your teeth? D: Interesting question. First, let's assume that you're not going to cut out sweet

发表于:2019-02-16 / 阅读(147) / 评论(0) 分类 英语听力文摘 English Digest

The Cleaning Power of Soft Drinks! 饮料的神奇清洁能力 Lets begin with a cleaning tip: If you have some tarnished or corroded brass that you want to clean, an old brass candlestick for example, you can use Coca-Cola, or any other cola soft dr

发表于:2019-02-24 / 阅读(170) / 评论(0) 分类 英语听力文摘 English Digest

Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿,每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W

发表于:2019-02-24 / 阅读(208) / 评论(0) 分类 英语听力文摘 English Digest

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(402) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acculturation agent
airborne altimeter
al ayn al bayda
alkyl aromatic
anterior right colic artery
arteriae bulbi urethrae
Babcock magnetograph
batcomputer
Bauerian
be WBS
beefsteak tomatoes
Betamerphalanum
brake-protecting relay
cathodophosphores cence
colias erate formosana
coplanar grid tube
dark lighting
deep penetration welding
development engine
dolly bar
drunken revellers
dual-surface lense
ebullioscopic methed
eccentric relief cutter
electric firing mechanism
electrically heated backlight
electron beam projection exposure apparatus
enabling switch
Encapsulated PostScript
energy bound
energy dispersal characteristics
english-only
escrita
explosion fracture
flavaxin
floppy diskette
geiger-counter
genus Phlebotomus
German Civil Code
grummer
hipsterish
idealless
insulation lacquer
intestine and casing
JMQ
laurice
leading wheels
letterpress printing
light naphtha
line test analyzer
making-of
mel'nikov
milk performance
minimum reduction position
Most Reverend
multi-user card
multiplexing algorithm
Neosphaeroma
nodding trillium
nympheas
on the map
onion grass
operating experience feedback
organ grinders
orthologue
otorhinolaryngological
overthetop
pee-shy
Pentasachme caudatum
perilymphatic cistern
phonograph well
photoreduce
politically-active
post-edit
preemptive algorithm
put down roots
reduplicating
reservation pricing
rotating mirror method
rubber-tired excavator
ruttings
seaming head
Search and Rescue Manual
single-acting power unit
slang
sociopathology
Synge, R.L.M.
synodic revolution
television master control
thorbecke
topoisome
umstroke
unworn
vo.
waitaki
Wensum, R.
wet pan mill
whisk ... away
Width/Height
winter-ball
Yonōzu
zerbino