消旋N-甲肾上腺素

It was time for the annual blood drive. He told his girlfriend, Im going to give blood tomorrow. She said, Dont do that. You could get a disease. He asked, I could get a disease? How could I get a disease? She said, You never know. What if a nurse tr

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 超级简单英语阅读

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,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:2018-12-07 / 阅读(391) / 评论(0) 分类 英语精美散文22篇

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(182) / 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(221) / 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(229) / 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(198) / 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(234) / 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(227) / 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(252) / 评论(0) 分类 农业与发展

modlue 4 Food and drinks [00:20.94]模块四 食品和饮料 [00:23.28]unit 1 The food we eat [00:25.40]单元一 我们吃的食品 [00:27.53]Read [00:28.71]读 [00:29.88]'What would you like for dinner tonight?'Mrs Li asks Kitty and Ben. [00:34.42]

发表于:2019-01-09 / 阅读(431) / 评论(0) 分类 沪教版牛津小学英语六年级

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(227) / 评论(0) 分类 VOA2003(下)-环境与健康

U.S. President Barack Obama is shifting his economic focus to the middle class. His State of the Union address Wednesday will detail a series of initiatives to help middle-income families. President Obama spent his first year in office trying to prev

发表于:2019-01-13 / 阅读(221) / 评论(0) 分类 VOA标准英语2010年(一月)

By Nico Gnecchi Dadaab, Kenya 14 September 2006 The recent takeover of much of southern Somalia by the Islamic courts has cast a shadow on some Somali refugees heading home. New arrivals keep surging across the border, and more than 21,000 so far th

发表于:2019-01-16 / 阅读(267) / 评论(0) 分类 2006年VOA标准英语(九月)

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(243) / 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(263) / 评论(0) 分类 VOA常速英语2013年(十月)

By Zulima Palacio Branson, Missouri 04 September 2006 watch Branson profile The small middle-American town of Branson, Missouri is becoming a popular tourist destination. It has fewer than 8,000 residents -- but attracts seven million visitors each

发表于:2019-02-02 / 阅读(253) / 评论(0) 分类 2006年VOA标准英语(九月)

By Robert Berger Jerusalem 18 September 2007 US Secretary of State Condoleezza Rice (file photo) U.S. Secretary of State Condoleezza Rice is embarking Tuesday on a two-day visit to Israel and the Palestinian territories. As Robert Berger reports from

发表于:2019-02-04 / 阅读(227) / 评论(0) 分类 2007年VOA标准英语(九月)

By Sonja Pace Quneitra, Golan 08 February 2007 Syria's president has repeatedly called for a renewal of peace talks between his country and neighboring Israel, and some in Israel say now might be a good time to deal. Central to any negotiations will

发表于:2019-02-05 / 阅读(222) / 评论(0) 分类 2007年VOA标准英语(二月)

By Phuong Tran Dakar 10 August 2007 The rebel group Niger Movement for Justice says it launched two attacks late Thursday in the uranium-rich Agadez region, sparking skirmishes with government forces that ended in the killing of two civilians. A rebe

发表于:2019-02-08 / 阅读(279) / 评论(0) 分类 2007年VOA标准英语(八月)

The White House vigorously denied on Monday any plans to raise taxes on middle-income Americans to pay for health care reform or combat the massive federal budget deficit. The denials come one day after two top members of President Barack Obama's ec

发表于:2019-02-12 / 阅读(212) / 评论(0) 分类 VOA标准英语2009年(八月)
学英语单词
5-hydroxytryptamine receptor antagonist
acute-angled triangle
adrenal-cortical
aimed trawling
Analog loopback
antinovelistic
Bariophlogopite
bateaux
bellows differential flowmeter
besense
bound with
BRACHYCONIDAE
Bugant
cadmium sulfide thin film solar cell
carotid sinus baroreceptor reflex
chain printing principle
cipractin
close-by
contour strip farming
Demecser
differential systematics
discrepancy report
dorsal-ventral
dueo
Epilobium sikkimense
frequency response display set
graphic integraph
gunts
hannege
head-pieces
hollow wire
holmium chloride
hospital switch
hot lead
immature cataract
impoldering
india mustard
indicating calipers
infrared mouse
ionization sterilization machine
isotopic splitting
jimmy-john
Khogué Tobène
lager lout
language-based editor
licent
linearity property of fourier transform
lloyd's method
Macker type arc heater
malaysia airlines
mechanical completion certificate
mini-trampoline
MIT license
mucuddum
musculi rotatores thoracis
Mussolo
nauseatingly
Nintooa
nonslip wire drawing machine
obligate thermophilic bacterium
orobanchaceaes
orphan line
overharden
paddy huller
period of use
plosive
red-legged partridge
regenerant pump
rethrograte
rinish
Rio di Pusteria
rotating disc
running screed
San Luis, I.
screeching
self-pride
SHQ
Siboluton
sick industry problem
siluruss
slag notch stopper
solar photovoltaic power
sphenometer
stick-liker
stmachache
strength prediction
sturred
supernormal dispersion
surface servo
tangency condition
Tangermünde
teeming platform
template pipe
tidalite
time-scale calibration method
touch-and-goes
transfer out
treisman
unceased
west berliners
zannis
Zelophyllum