甲基麦草伏,麦草氟甲酯

图片1 图片2 图片3 图片4 图片5

发表于:2018-12-03 / 阅读(309) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

图片1 图片2 图片3 图片4 图片5 图片6

发表于:2018-12-10 / 阅读(139) / 评论(0) 分类 牛津阅读树ORTMP3(1-11级)

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(99) / 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(151) / 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(153) / 评论(0) 分类 Scientific American(三)月

Lesson 12 Here's to WEFL! [00:-0.50]为WEFL干杯 [00:-1.00]1.Leave it on.I want to see the credits. No, [00:-1.50]让它开着吧。我想看一下演职员表。不, [00:-2.00]I want to talk.We've seen enough credits. [00:-2.50]我想聊天,我们

发表于:2018-12-25 / 阅读(109) / 评论(0) 分类 洪恩环境英语

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(118) / 评论(0) 分类 初学者听力文摘精选

今天我们要学的词是 prop up。 Prop up的原意是指托住、支撑,以免倒塌,引申出来有帮助、鼓励、支持的意思。The US Department of Agriculture has proposed to spend US$4.7 billion to prop up farmers hurt by tariffs,

发表于:2018-12-30 / 阅读(95) / 评论(0) 分类 英语单词荟萃

1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres

发表于:2018-12-30 / 阅读(168) / 评论(0) 分类 突破英文词汇

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 法律英语 Legal Lad

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(171) / 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(155) / 评论(0) 分类 医务英语

PEOPLE IN AMERICA - Great Writers: Flannery O'Connor Told of Small-Town Life in the South By Richard Thorman Broadcast: Sunday, July 10, 2005 (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'

发表于:2019-01-04 / 阅读(146) / 评论(0) 分类 People in America

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(189) / 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(154) / 评论(0) 分类 VOA2003(下)-环境与健康

Summit of Americas' Final Declaration Reflects Disagreements Greg Flakus In Monterrey , Mexico leaders of 34 nations from the Western Hemisphere , including President Bush, ended a two-day special Sum

发表于:2019-01-11 / 阅读(141) / 评论(0) 分类 VOA2004(上)--各类新闻

By Carolyn Weaver New York City 19 July 2007 A new documentary by director Benson Lee, Planet B-Boy , is about a dance form called b-boying, or break dancing. Invented on the streets of New York in the early 1970s by black and Latino youths, its beco

发表于:2019-01-12 / 阅读(193) / 评论(0) 分类 2007年VOA标准英语(七月)

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(177) / 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(164) / 评论(0) 分类 VOA常速英语2013年(十月)

The Flies and the Honey-PotA NUMBER of Flies were attracted to a jar of honey which had beenoverturned in a housekeeper's room, and placing their feet in it,ate greedily. Their feet, however, became so smeared with thehoney that they could not use th

发表于:2019-02-08 / 阅读(193) / 评论(0) 分类 英语美文
学英语单词
0316
absorption specturm
Afiun
asser
Atlantan
automatic batch scale
Baranis
be quick at
befinned
Broca, Paul
Capacitive Crosstalk
caryophyllaceous plant
Centuri
cermele
certificate of purity
circuit-breaker oil
clintonism
CNJ
cobalt metal
coeruloplasmin
common axis of symmetry
conical graduate
contour-length method
coralline limestone
corbiestep
cornucoquimba leizhouensis
could do without
cylinder stripping rail
diamond penetrator
dideutero-p-aminobenzoic acid
direct regulative method
dna sequencer
dome fold
double gestation
downhole instrument
duovirus
easy opening tab
fast winch
fiber optics communications for aerospace system
field sheet
foreign matter equipment and material
form code
Free Home
fructose phosphate
functional chemistry
glycerin bi-fatty acid ester
great revolts
grid melt-spinning
group identifier
heterochronous
HFBA
Hold on!
i-Inositol
implied addressing
industrial collaboration
invested in
Isocarboxagid
jessalyn
jockey up
m2s
manicures
McKeith
Mephibosheth
Metacetamol
named anchor
Neef's hammer
Opinsul
palarstanide
parallel lines of fire
pedagog
photodetachments
polyesteramide
postnormal occlusion
pre-excited CO laser
preformylation
prepubescence
programmed synchronising time
radioisotope detector
re-formations
reutilises
ring scaler
rough goods
Scotch barley
side bay caboose
sighingness
silty mud
solid phase polymerization
spunk
symbol library
temporary buoy
terpineols
tidal stratification
Trojan horses
unengraven
unpaired tubercle
virtual saving
vital impulse
weapontack
welding electrode production line
wire telephone
working capacity of column
Yazgulyam