[化] 甲硫基

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(80) / 评论(0) 分类 2016年VOA慢速英语(十)月

Superhero Thwarts Evil Nazi Plot in 'Captain America: The First Avenger' Acomic book super hero whose exploits began in the 1940's is back as one of this year's big action movies. Here's a look at Captain America: The First Avenger. General Patton ha

发表于:2018-12-16 / 阅读(84) / 评论(0) 分类 VOA标准英语2011年(八月)

The 2.5 percent pre-determined interest rates attached to life insurance products here in China have been scrapped. The move is the latest effort by central government to liberalize the country's interest rates. The People's Bank of China has already

发表于:2018-12-19 / 阅读(84) / 评论(0) 分类 世界各地新闻集锦

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(125) / 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(128) / 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(80) / 评论(0) 分类 初学者听力文摘精选

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(126) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] Clouds capped the woods. v

发表于:2018-12-30 / 阅读(275) / 评论(0) 分类 每日攻克5词

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(151) / 评论(0) 分类 60秒科学

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(126) / 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(160) / 评论(0) 分类 农业与发展

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(129) / 评论(0) 分类 VOA2003(下)-环境与健康

Scientists in Australia are developing a thinking cap that could unlock our hidden genius, by switching on and off certain sections of the brain. Researchers at the University of Sydney think their experiments show that we all have hidden creative t

发表于:2019-01-13 / 阅读(161) / 评论(0) 分类 VOA标准英语2008年(十月)

The speaker was addressing a roomful of teachers. He said, 'Thinking' and 'thinking critically' aren't the same. For example, if you're thinking about what day it is, that's not thinking critically. He instantly heard some murmuring. A teacher said,

发表于:2019-01-22 / 阅读(106) / 评论(0) 分类 英文短篇故事(纽约)

The tutor handed the black marker to his student. She was learning English. She constantly spoke to him in Russian, even though he hardly knew net from da. She wrote the two contractions for he is not on the whiteboard. He said, Very good. She smiled

发表于:2019-01-22 / 阅读(110) / 评论(0) 分类 英文短篇故事(纽约)

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(150) / 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(117) / 评论(0) 分类 VOA常速英语2013年(十月)

Idiom: Put on your thinking cap ( think hard ) Hit the book: Be accused of Malnourished Tabloid Taunt Sentiment Spark outrage Skeleton Catwalk Victoria Beckham has been accused of being 'malnourished' and has admitted to an eating disorder in the pas

发表于:2019-02-16 / 阅读(129) / 评论(0) 分类 趣味青春英语

LONDON, Nov. 14 (Xinhua) -- Liverpool's teenager winger Raheem Sterling is set to make his debut for England while his club teammate and captain Steven Gerrard is expected to earn the 100th cap in England's friendly against Sweden in Stockholm on Wed

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 英语新闻

Now, the VOA Learning English program Words and Their Stories. Our world is home to thousands of different kinds of birds. No two bird species are the same. Each one has its own unique qualities like its feathers! Feathers keep a bird warm and dry. F

发表于:2019-03-09 / 阅读(237) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
administration section
ainaroes
amplitude modulated
apse (apsis)
asafoetida
aux armes
back-up breaker
backward acting
bare-bum
biogenists
biotite microtinite
black and white positive film
blockfront
bowenoid actinic keratosis
citraconic anhydride
co-adaptation
color guard
conquering
curve-tooth bevel gear
Cyrenaican
d-myrtenol
dalbergia nigras
dedusting equipment
deflection potentiometer
dextro-amphetamine sulfate
drawing-practice
effective stage
Eretmapodites
exercises
exitotoxicity
fidgetted
filter
forensic accounting
front snap guard
fully-associative cache
gelatino-bromide plate
glaridin
glue protein
graphic cursor
great divide
Guatemala, Captaincy General of
gum-solution
haulback line
hereditary myokymia
Hinwil
immune-response gene
Indian okra
indiscriminate transfer of resources
intermediate crown wheel rocker
inventory costing methods
jet expansion
lamb hog
lbs
lick sb's shoes
LMET
male engin
market survey
mechanism of unimolecular elimination
monk
mpcus
Namch'ang-ri
narrow pulse sampling
navron
nuclear reaction excitation curve
obelisks
oxycarenus lugubris
plosive consonant
pogrom
Pope Julius
pre-publication
preference rate
radio ceiling
regulating plate
retract rearward
saint celestine
satisfactory weld
schmauder
secondary electron emission factor
secondary transfer standard
securities financing
sensitized cell
seronegative
significant number
speech is silver, silence is golden
St-Martin-du-Var
stack pollutants
stationary semigroup
step-counting function
surface-barrier diode
table of computed altitude and azimuth
thiolhistidin
tmpf
traffic characteristics
train number describer
truest
tubero-infundibular
unrighteously
upspoken
ventral amygdaloid pathway
Virginia reel
waress
workhours