甲基环己基原醇

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(44) / 评论(0) 分类 2016年VOA慢速英语(十)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(94) / 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(95) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(49) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee 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 research presented

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 60秒科学

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(89) / 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(129) / 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(99) / 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

By Jim Teeple Jerusalem 23 August 2006 A previously unknown Palestinian militant group claimed Wednesday to be holding two journalists working for the FOX television network, which is headquartered in the United States. The two men who were abducted

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(八月)

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(121) / 评论(0) 分类 VOA标准英语2010年(六)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(125) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(75) / 评论(0) 分类 VOA常速英语2013年(十月)

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(63) / 评论(0) 分类 实用英语

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

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(133) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
across grain of wood
agreed-on, agreed-upon
amine surfactant
animacy
Avawam
bone fistula
Brasilandia
by pass valve for lubricating oil filter
carsy
centre of attraction
chain data flag
coaxial carrier system
Colmol miner
computational chemistry
control rod guide structure underwater removal tool
dehydration press
depressed centre flat wagon
detext
development company
disk errors
dressmaker's ham
electronic guide
electrostatic forces
every like
exurb
flatulence in the lower abdomen
fleeming
fo'
format line
front vault
goddamn
grunwalds
Gynostemma
half heart
half-open corner joint
hardlines
hardons
hercegovina (herzegovina)
Hobbs Bank
homecooked
indream
inducement to invest
insurance against breakage
judging of exterior
khot
line pattern
low-jitter clock
mask party
master p.p.i.
maximiliano
melanotroph
Melia toosendan
Melville Trough
methylphenylcarbinol
midgap work function
milk borne immunity
mixed gas producer
modularot output voltage
multicolour rotogravure press
nonfissured
obligation in the absence of a contract
ordinance shop
oxygen-blown converter
parting clay
phosphid
pick resistance
piesoelectric stabilizer
plasticlast
polyimides adhesive
prehensile tail
primafloc
proceduration parameter
rate of oxidation
recovery maneuver
relative forest land
Romiton
russlan
sagittifolium
self-sealing coupling (pneumatic)
Seneca Lake
shadow of a doubt
single vane actuator
solvent makeup
souvenir-hunters
square rigged
start element
stationary knife
steam collector
storeyed structure
streptomyces scabiess
tactician
target device
the mile - high club
torsional-flexural buckling
traditioning
trench hand
triode pnpn-type switch
trunk room
turns-of-the-century
unmyelinated
unreadable signal
varroatosis