美国压力管规号码

VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we visit a small museum in the state of Maryland. It is called the National Cryptologic Museum. It is filled with informat

发表于:2018-12-15 / 阅读(208) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is Scientific Americans 60-SecondScience. Im John Matson, got a minute? Say you need a diamond. You could go downto the jeweler, or you could put some carbon deep underground and let it sitfor a couple billion years. Or you could hop in a starsh

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(八)月

[00:05.25]American scientists say they have found the strongest evidence yet [00:11.96]linking a breathing problem called sleep apnea to high blood pressure. [00:17.32]They published the study in the Journal of the American Medical Association. [00:2

发表于:2018-12-26 / 阅读(154) / 评论(0) 分类 美国英语听力80篇

暂无音频 REMARKS BY THE PRESIDENT ON INTERNATIONAL TAX POLICY REFORM Grand Foyer 11:39 A.M. EDT THE PRESIDENT: All right. Good morning, everybody. Hope you all had a good weekend. Let's begin with a simple premise: Nobody likes paying taxes, particu

发表于:2018-12-30 / 阅读(353) / 评论(0) 分类 美国总统每日发言

EXPLORATIONS - September 18, 2002: National Cryptologic Museum By Paul Thompson German Nazi, American and Japanese coding machines. (Photo - Ed Bunyan) VOICE ONE: This is Mary Tillotson. VOICE TWO: An

发表于:2019-01-02 / 阅读(232) / 评论(0) 分类 Explorations

AMERICAN MOSAIC - National Women's Hall of Fame Adds New Members, Including Hillary Clinton By Shelley Gollust, Katherine Gypson and Jerilyn Watson Broadcast: Friday, December 02, 2005 (MUSIC) HOST: W

发表于:2019-01-02 / 阅读(268) / 评论(0) 分类 American Mosaic

A Visit to Americas National Cryptologic Museum From VOA Learning English, this is EXPLORATIONS in Special English. Im Jeri Watson. 这里是美国之音慢速英语探索发现频道。我是Jeri Watson。 And Im Jim Tedder. Today we visit a small m

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 2018年VOA慢速英语(四)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(226) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science,I'm Christopher Intagliata,got a minute? Benny Goodman earned his title,the king of swing as a virtuoso of the clarinet,but now a computer in upstate New York has learned to rip him off.Researchers at

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(233) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

发表于:2019-01-08 / 阅读(244) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro

发表于:2019-01-08 / 阅读(280) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

发表于:2019-01-08 / 阅读(231) / 评论(0) 分类 Scientific American(九)月

Where Do We Come From? 我们来自哪里? Would you like to know where your ancestors came from? British and American scientists may have found answers for you. They have developed a new algorithm to study deoxyribonucleic acid, also known as DNA --

发表于:2019-01-12 / 阅读(239) / 评论(0) 分类 2014年VOA慢速英语(八)月

Young Navajos Study to Save Their Language 年轻的纳瓦霍人拯救他们母语 For part of her life, Sylvia Jackson stopped speaking her native language, Navajo. Like many Native American children, she had little chance to speak her language. We

发表于:2019-01-12 / 阅读(203) / 评论(0) 分类 2015年VOA慢速英语(十)月

暂无音频 REMARKS BY THE PRESIDENT ON TAXES Room 350 Dwight D. Eisenhower Executive Office Building 12:02 P.M. EDT THE PRESIDENT: Good morning. I decided not to bring Bo today -- because he stepped on my economic speech yesterday. (Laughter.) Good mo

发表于:2019-01-26 / 阅读(241) / 评论(0) 分类 美国总统每日发言

1. 人行道:(B) Pavement;(A) sidewalk 2. 垃圾: (B) Rubbish;(A)trash 3. 足球:(B)football;(A)soccer 4. 地铁(B)Tube(A)subway 5.饼干:(B)biscuit;(A)cookie 6.糖果:(B)sweets;(A)candy 7.句号:(B)full stop;(A)period 8. 秋天:(B)autu

发表于:2019-02-02 / 阅读(224) / 评论(0) 分类 实用英语

By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus

发表于:2019-02-03 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(九月)

还记得陈佩斯在1984年春节联欢晚会上演的那个小品《吃面条》吗?他把滚热的面条吃得可是津津有味呢。你知道“滚热的”在英语中怎么说吗?当然可以

发表于:2019-02-04 / 阅读(181) / 评论(0) 分类 英文语法词汇

雅思写作教育话题主要考察教育对个人的影响以及对国家社会的影响,但因前者居多,在写作过程中我们需以学生作为重点分析对象,当考察某种教育活动或者教学方法时,往往要关注四项发

发表于:2019-02-12 / 阅读(191) / 评论(0) 分类 雅思英语
学英语单词
aerodynamic tunnel
agher
allopregnenolone
amplified spont-aneous emission
anthracine
arc furnace installation high-current line
assumed azimuth
astronaut medical evaluation
atypical verrucous endocarditis
Azy
backwater valve
breaks water
bridge-cut-off
carbacrylic
caron
Chase,Samuel
coarse material
complex series permeability
concrete nouns
configuration space
credit currency
crest welder
crystal face(plane)
custard with minced pork
cybernetic model of decision-making
Cypriot
dance
DEC code
deford
descending chain condition
Direct Fast Blue B2RL
electronic preheater
emblemizes
escape one's lips
explosion hazard
feed back control loop
freedom from fear
gaetas
gamene
Gamow-Teller interaction
genus Columnea
geometrical cross section
grooved-back brick
Hammelech
harbortite
high-energies
humidity-discharging device
ilet
Kodochigi
law-day
Lyrids
metastable phase diagram
Microtrombidium pusillum
Mins.
mio
Namsan Park
nemba
net-neutrality
neuraxial edema
New Boston
night lighting
oil dope
Orok
PHOLADINA
Pkulagalid Pt.
proactiver
put into power
rank-two method
regenerated fuel
relative water content of slip
rod drift alarm and test switch
Saint George's Cross
Saughall
servant of the servants
shelter revulsion
Sollecito
splash-proof driving fid
stereoblindness
synchiropus lineolatus
synchro tramsmitter
thallic oxalate
therapeuticize
thermoluminescent dosimeter (tld)
three-piece skirt set
Thyro-Block
tradingout
triangular route
troyanek
tubulogenesis
turbulent scattering
twinners
ultradesirable
vapour compression refrigeration cycle
variable factory overhead cost
vent channel
vicariates
von karmans law
Woodyatt's pump
WVRD
Xi Ling
zengo
Zobah