三甲基吡啶

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(201) / 评论(0) 分类 英语情景对话-日常生活

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(150) / 评论(0) 分类 英语情景对话-日常生活

A: What does it cost to ride this bus? B: The fare is $1.25. A: Have you been driving buses a long time? B: I haven't been driving for longonly for a few months. A: Do you like to drive the bus? B: Not in the least bit. A: I would have never dreamed

发表于:2018-11-30 / 阅读(173) / 评论(0) 分类 英语情景对话-日常生活

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(360) / 评论(0) 分类 名人演讲

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(78) / 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(124) / 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(125) / 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(78) / 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(131) / 评论(0) 分类 国家地理2008年

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(149) / 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(124) / 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(159) / 评论(0) 分类 农业与发展

伊迪娜门泽尔( Idina Menzel), 1971年5月30日出生于美国纽约。伊迪娜门泽尔凭借百老汇经典舞台剧《女巫前传》中饰演阿尔法巴一角,获得托尼奖最佳女演员奖。1995年出演《吉屋出租》开始百

发表于:2019-01-10 / 阅读(111) / 评论(0) 分类 英乐时空

A: That car is exactly what I want so I probably should buy it. B: From what I see, it's a good deal. Should a mechanic check it out for you? A: A mechanic looked at it for me on Tuesday when I first looked at it. B: It's good that you took care of t

发表于:2019-01-11 / 阅读(110) / 评论(0) 分类 英语情景对话-买车

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(128) / 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(147) / 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(148) / 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(115) / 评论(0) 分类 VOA常速英语2013年(十月)

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(190) / 评论(0) 分类 英语新闻

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
acoustic backscatter system
acoustic overstimulation
anuria in newborn
assertion-level logic
autels
Bandarban
basking shark
be attacked by a blight
boiler feed pump
bonded type strain gage
breakage space
broad outline
buffer shell
cam press
CBU
cerebral amebic abscess
cirl
clarion call
cold pressure
commission of acceptance
completeness of reaction
cross modulation distortion
dark ground illumination
Dem'yana Bednogo, Ostrov
diaphragm filtration unit
digested data
digital technology
double saucepan
draft sill tie plate
dun&bradstreet inc
Dynaray
economical benefit
error law
exudation vein
fault locating test
focus group interview
geometric number theory
Handelia trichophylla
head share
hispidulous
homeless person
hybrid agent
IFDH (in-service forced derated hour)
impeachment evidence
in few
incubations
intermeshing rotors
international discovery
interoffice trunking system
invariant of knot type
jaspery
jellyfish galaxies
jowlers
koskoes
lattice approximation
lightheartedness
loose one's hold on
low level scheduler
marine pollution prevention provisions
Minana
monseigneur
mosquito cutain
motor paralyses
necessitudinarian
nit)
Noginsk
organizational skill
oryx dammah
palmliker
pendulum accelerometer
pentrazole
perspective glasses
Pespire
pezantic
pharyngeal tonsils
process control sequence
ran the gamut
rejoiceth
river forecast
rye meal
sex controlled inheritance
shallow sea ecology
sheer of gunwale
Siegbach
slotted armature
small-d democrats
solvent bonding
space harmony
subrogation of rights of claimant
switch signal
thiaminoprotein enzymes
timing mass
to make haste to
transfering enzyme
transmission-line of information
transoceanic cmmunicatiton
unsurety
visuel
Walsshe
web fed letterpress rotary machine
yeames
yolk sac placenta