羧噻吩青霉素

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(42) / 评论(0) 分类 2016年VOA慢速英语(十)月

By Lisa Schlein Geneva 31 March 2006 Women fetch water in drought-hit Dubluk, Ethiopia The U.N. Children's Fund, UNICEF, says Ethiopian children are facing an epidemic of lethal diseases. UNICEF says

发表于:2018-12-16 / 阅读(103) / 评论(0) 分类 2006年VOA标准英语(三月)

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

发表于:2018-12-19 / 阅读(74) / 评论(0) 分类 英语PK台

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(三)月

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(111) / 评论(0) 分类 科技之光

In the English language, putting two -ing words together often is not only natural but correct. Listen to an example: Ive been avoiding going to the doctor. In todays Everyday Grammar, we will look at examples of when two or more -ing words appear ne

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 2018年VOA慢速英语(三)月

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(126) / 评论(0) 分类 农业与发展

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain. In a report in the Proceedings of the National Academy of Sciences, researchers studied how junk food can trigger ad

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(十一)月

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(96) / 评论(0) 分类 VOA2003(下)-环境与健康

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(330) / 评论(0) 分类 2010年慢速英语(二)月

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(123) / 评论(0) 分类 经济学人科技系列

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(77) / 评论(0) 分类 英语博客 A cup of English

The case for prenuptual agreements may have just gotten stronger: According to a new survey by credit-tracking company Experian, 16 percent of newlyweds admit they are hiding a financial account from their spouse. 婚前协议的案例与日俱增。信

发表于:2019-02-01 / 阅读(62) / 评论(0) 分类 实用英语

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(128) / 评论(0) 分类 2007年VOA标准英语(五月)

VOICE ONE: Many people who try to lose weight know that no diet is perfect.But two new studies show that a diet low in carbohydrates can cause faster weight loss than a diet low in fats. This was true at least in the short term. Researchers published

发表于:2019-02-06 / 阅读(89) / 评论(0) 分类 英语杂谈

There are lots of different diets. On of them is called the low-carb diet. If you were on a low-carb diet you would eat... 节食方法有很多种,有一种叫做低碳水化合物饮食,若你就是这种情况,你会吃什么呢? a) less fish b) less pasta(意大利面条) c) les

发表于:2019-02-06 / 阅读(215) / 评论(0) 分类 六分钟英语

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(102) / 评论(0) 分类 英语博客 A cup of English

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(132) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
air drain
alpha function
american relapsing fever
anhydro-fructose
Anna Ivanovna
antiunionist
ar raqubah(raguba)
Ardran-Crooks cassette
attogrammes
azanas
bastuse
beet pulp drier
bending shackle
blasphemest
breeder's bag
capreite
caro bronze
carrier-current protection
cerodontha (cerodontha) denticornis
chloracetate
chroococcoid
column evaporator
compound inflorescence
costeuous
craniopathia
cuprazin
daquille
dark growth reaction
denominator weighted average
diathermy
diesel index improver
double acting jack
electrical thermometer
ensete edule horan
factory service cost
family thraupidaes
feir
floating zenith telescope
gamepads
goal directed function invocation
hard grass
having kittens
hearts-to-hearts
horse-brier
ingens
ingress pipe
inustion
is-even
jalpa
joint target list
konorski
Labbe's veins
larvikites
light diet
lingual papilla
loudness control circuit
marine surface propulsion
MELANELLOIDAE
mervyns
mid plane of pelvis
minimum-of-Existence Theory of Wages
moreland
Morris's sign
mucohyaline
muxiang binlang pills
Naeha-dong
naperon
nightbreak
noninhabitable
pannella
phase iiis
plant genecology
platinum-alumina catalyst
Polytrias
positioning control
production-miller
proper extensor muscle of fifth digit
punch-die
radames
rayet
Rayner Glacier
re-line
salgodonite
screw tight fitting
second halves
single-reheat type once-through boiler
Stenopir
strut bridging
stub wall
Sulcus occipitalis transversus
synergistical action
tendency to
total working time
ultradark
unbleached muslin
unsaturated zone
varicoblepharon
wafflelike
water enchroachment
well single
wield a good baton
working vacations