3-甲基胆蒽

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(67) / 评论(0) 分类 2016年VOA慢速英语(十)月

NOEL KING, HOST: Congregants of a church in Oakland, Calif., say they feel like too many people are too quick to call the police when they feel threatened by people of color. So now they're taking what they consider to be a moral stand - to not call

发表于:2018-12-18 / 阅读(98) / 评论(0) 分类 2018年NPR美国国家公共电台6月

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(117) / 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(115) / 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(69) / 评论(0) 分类 初学者听力文摘精选

Susan B. Anthony: She Fought for U.S. Women's Right to Vote Written by Shelley Gollust (MUSIC) VOICE ONE: People in America, a program in Special English on the Voice of America. In the eighteen-fifties, women in the United States began to try to gai

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 名人轶事

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(139) / 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(116) / 评论(0) 分类 医务英语

By Leta Hong Fincher Washington, DC 02 May 2006 watch National Anthem report A new Spanish version of the United States national anthem has added to the controversy over the role of immigrants in U.S.

发表于:2019-01-04 / 阅读(115) / 评论(0) 分类 2006年VOA标准英语(五月)

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(149) / 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(118) / 评论(0) 分类 VOA2003(下)-环境与健康

歌曲: A New Chapter 艺人: Anthony Callea 音乐星级: ★★★★★ 所属专辑: A New Chapter 发行年代: 2006 风格: Pop 介绍: Anthony Callea,2004年第二届澳洲偶像大赛的亚军,Australian Entertainment MO Awards年度澳籍艺人提名,获颁当代摇滚艺人奖项、POP

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 音乐咖啡厅

With just a few days to go before Iran's presidential election, the pace of campaigning has picked up and the four presidential candidates are stumping across the country. An unexpected wave of popular enthusiasm for Friday's election has caught ana

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 VOA标准英语2009年(六月)

For Some Latino Voters, No Vote Taken for Granted LOS ANGELES After 25 years of marriage and five children, Maria Elena and Rene Burgos of Los Angeles have become a unified force on many things, including decisions on Election Day. Mostly we discuss

发表于:2019-01-14 / 阅读(324) / 评论(0) 分类 VOA标准英语2016年(一月)

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(141) / 评论(0) 分类 经济学人科技系列

MIKE TAIBBI: What's not to love? So beautiful, colorful, mesmerizing in their movementsminiature works of living art that can thrive and entertain for years! They're, Koles, Longnose Butterflies, and a variety of TangsImmortalized by Hollywood in the

发表于:2019-01-27 / 阅读(109) / 评论(0) 分类 PBS访谈商业系列

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(102) / 评论(0) 分类 VOA常速英语2013年(十月)

高温天气下树木竟然会污染环境! Normally, trees are the best defence against pollution; but when it's too hot outside, the trees' own self-defence mechanism may actually make things worse。 正常情况下,树木是抵御污染

发表于:2019-02-01 / 阅读(182) / 评论(0) 分类 阅读空间

BEIJING, Dec. 22 (Xinhua) -- An anthology of 100 bamboo-themed Chinese poems has been published, which features a foreword and a poem written by former president Jiang Zemin. A launch ceremony for the book, The Charm of Bamboo, was held Saturday in t

发表于:2019-02-07 / 阅读(149) / 评论(0) 分类 英语新闻

'Cause god makes no mistakes I'm on the right track baby I was born this way Don't hide yourself in regret Just love yourself and you're set I'm on the right track baby I was born this way Post-chorus: Ooo there ain't no other way Baby I was born thi

发表于:2019-02-07 / 阅读(107) / 评论(0) 分类 流行英文歌曲
学英语单词
About face!
accommodative strabismus
afear
alchemistic period
attention signal
axle key
bad fussing
beloud post (dezadeash)
blockships
boomeranger
brachycnemic
brinksmanship
calcifiers
coal clauses
cobblestone street
conjugation,zygosis
cornucoquimba gibba
creditor account
damping fin
database design aid
dentale(dentary)
department of navigation and aviation
die-locking toggle
durlacher
endstone for pallet fork
enemy agent
flux oil
FPGAs
gage-pole
gangler
glactosylcerebrosidosis
growing of vine of grape
guanaco
gymnasticss
hochschules
human learning and intelligence
humeral veinlet
hydatid pregnancy
imploringness
impregnated ovum
inconnus
infossate
irreversible transformation
Kasba L.
kefir grains
Kundaria
Lossiemouth
Machilus rehderi
machine-age
magnetic tools
malleable castings
massimiliano
maytansinol
megatheroids
MS4-component
near infrared rays
negative shrinkage
nitrotyrosine
non-linear spring
nonparoxysmal tachycardia
nontranscendental
ortho-Lomonosovite
oscillating conveyer
Owenke
pantoner
parafrontal bristle
parallelogram lindage
permit holder
pinjoint ship
polhode
principle of universality
protective system false operation rate
put in circuit
put the finger on
radt
reaccedes
reactive armor
regularobufagin
respiratory accentuated
roller box
Salix neolapponum
school-funding
sector address system
self-oscillation
sinus a. pulmonalis
sludge emulsion
smithgall
sports equipment
staying-powers
stub impedance transformer
surefoot
system utilization
The Great Charter
tonnest
torpedo boat
transeminent
tubercle of anterior scalene muscle
vbm
voluspa
waveshaping
Wegener-Bergeron process
Z-nickel