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(202) / 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(164) / 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(145) / 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(340) / 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(229) / 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(263) / 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(192) / 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(221) / 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(222) / 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(226) / 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(241) / 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(268) / 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(226) / 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(232) / 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(195) / 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(236) / 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(215) / 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(258) / 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(175) / 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
AAMC
acceptance probability per batch
acid sulphate soil
aircraft icing
alcohlic-soluble antigen
amplitude range
Androsace graminifolia
antidrip
arterial blood re-entry
Assenois
audio-communication
Aug,um Auge
Azdavay
balance of moving part
basal body temperature method of family planning
be p and q
Bol'shaya Atnya
burn time
Bürgeln
catch ... breath
Ch'wiyachǒsuji
claims of patent application
clear panel key
concrete seismic block
congealing
contiguous curve tangent
costal arch
crpa
dozel
dust sb off
dwell period
enclosed capacitor
Fagamalo
fixation surface
four phase square wave generator
fuel volatility adjustment
gas manifold
Gaussian hypergeometric function
gee willigers
genetic association
give possession
government transfer payment
grey area
hadrosauriform
hearing aid test box
heavy lift additional
heneicosoic acid
homonucleoside
huang
IF-THEN element
inferior crura of antihelix
intercondylar tubercles
isotope exchanger reaction
justification of a practice
lift-shaft
lime soil stabilization
Lonlay-l'Abbaye
maria sharapova
measuring plane
medultoblastoma
mekki
melianthus
middleageism
Mikulicz's clamp
Mongolian wild ass
mortonhall
mugilogobius chulae
multiplex control
nadezhda
nerita balteata
nete lymphocapillare
ophicalsite
optical vernier
percentage thrust indicator
petasin
pezazz
pink-brown
pjm
posttranscriptionally
prayer-flags
priority switch table
problem case
production per capita
quality identification function
Reichenschwand
relative pathname
request/response unit (ru)
sliding price
Southern pygmy mouse
spongouridine
steel wire oil
stratum lucidums
subtypical
titty juice
topographic planimetry
unfined
variations
video reproducing head
viveashes
well-diversified
wheel drive vehicle
WirelessHART