脱氢乙酸

By Paul Thompson Broadcast: September 19, 2004 (THEME) VOICE ONE: Now, the VOA Special English program, PEOPLE IN AMERICA. I'm Steve Ember. In the early days of the last century, an American doctor wrote about the Native American people called the La

发表于:2018-12-07 / 阅读(150) / 评论(0) 分类 名人轶事

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(113) / 评论(0) 分类 2016年VOA慢速英语(十)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(164) / 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(171) / 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(140) / 评论(0) 分类 初学者听力文摘精选

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(174) / 评论(0) 分类 国家地理2008年

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(190) / 评论(0) 分类 有声畅销书-秘密

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(185) / 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(173) / 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(201) / 评论(0) 分类 农业与发展

Carolyn Everson is Facebook's (FB) VP of global marketing solutions. When asked what's the best advice she got from Lean In--the No. 1 best seller by Facebook COO Sheryl Sandberg, she listed 10 of them as follow: 卡洛琳艾弗森是Facebook全球营销

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 求职英语

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(169) / 评论(0) 分类 VOA2003(下)-环境与健康

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(188) / 评论(0) 分类 自然百科2008年

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(190) / 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(187) / 评论(0) 分类 VOA常速英语2013年(十月)

今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道,最大的牌就是ace。有了ace,你就胜券在握,你轻易不会出ace,而是备而不用,要把好钢用在刀刃上。这样就产生了下面我们

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 美国习惯用语

1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同

发表于:2019-02-03 / 阅读(168) / 评论(0) 分类 OMG美语

It's never too late to start something new. 去尝试新事物永远都不用在乎年纪。 Anna Stoehr, the oldest resident of Minnesota, signed up for Facebook just in time to get all those happy birthday wall posts when she turns 114 this weekend

发表于:2019-02-08 / 阅读(144) / 评论(0) 分类 英语新闻

饶舌:Ace Hood - Overtime 相关介绍 :Ace Hood(Antoine McColister)出生在佛罗里达圣路易斯港。他成长在一个单亲家庭,他母亲在迈阿密Deerfield Beach区把它喂养大。当Ace Hood在一场足球比赛中受伤后,改变

发表于:2019-02-11 / 阅读(160) / 评论(0) 分类 节奏布鲁斯

Business. 商业。 Facebook Facebook Work in progress 逆流中前行 The stockmarket has lost no time in unfriending the social network 证券市场正加紧同社交网络解除好友关系 IT IS still gaining members-there were 955m by the end of

发表于:2019-02-26 / 阅读(131) / 评论(0) 分类 经济学人综合
学英语单词
access of air
action decided against sb
algorithmic routine
anticrop
apexograph
apoplasts
Bacillus lactis aerogenes
back-moving spring
backknee
Bagneres-de-Luchon
Beau's lines
boys of summer
bypermethioninemia
capric nitrile
car lightning protector
cercospora brassicicola
chromatomyia horticola (gouraeu)
class analysis
comeback sauce
consignment tax
cousincest
crabfishes
dehiscence furrow
derivements
Deryugin, Mount
diphenyl hydrazine
Dmitry
dunstaffnages
ecological growth efficiency
economic decision making
electron emissivity
equimolar counter diffusion
eternellement
geotectonic valley
grate with forced draught
grumpily ad
handle catch pin
hereditary keratosis of palm and sole
heterogeneous microprocessor
hidary
hipnotic
horror-show
inleased
insinuation of will
integrated radial geometric factor
KI22
Kilberry
laparosalpingectomy
leap-gate
lempa
lits de justice
Longer Catechism
m.t.(medium tenacity)
Ma'aza, Jab.al
management arrangement
maressa
mesosyntenic
microcontrolled terminal
minolta
natural diamond bit
Neostringophyllum
nonintrusive testing
not specified
optical user network interface
optimized chain
ossa planum
parallel forms
Paranaidji
pay an official call
periureteric
phosphoramidites
pillbox antenna
plant sulfolipid
polypodium microrhizoma
pride of the morning
primary steel
pudendagra
Pyrularia
rag thrasher
rhenium(iv) chloride
rope breaking strength tester
runway overrun area
Sagaba
shallow pass
side-hole planting
simple mastoidotomy
single-chain drive
spoon fashion
Susaninskiy Rayon
sweetland
technolgies
tent peg
the able-bodied
tripolar
unchartered
vegetable culture
vetisulid
Virelon
Vöhringen
workload model calibration
yasushis
ymis