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(197) / 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(155) / 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(142) / 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(328) / 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(220) / 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(253) / 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(180) / 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(216) / 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(221) / 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(221) / 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(232) / 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(259) / 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(218) / 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(227) / 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(191) / 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(231) / 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(204) / 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(243) / 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(170) / 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(183) / 评论(0) 分类 雅思英语
学英语单词
4-chlorocoumarin
acidic amino acid
adult-sized
advance rentals
agricultural resource evaluation
archosarguss
British National Radio School
Bünzen
cardiac orifice
chromium isotopes
closed separating funnel
coconut cake
confirmator
Copiapo
cosmic microwave background radiation
Cotoneaster oliganthus
cyclic correlation
decacurie
degreasing fluid
difficult to handle
diffusion metallizing
Drina River
duck derbies
Economic Co-operation Administration
Elaeagnus augustifolia
electrostatic dispersion
european creepers
extended code
Ferrititanbiotite
finnan-finned
flat fish
Folletts
for good or for evil
fracture mechanism
freight in advance
germogens
gerontal
Gulf of Aden
heavy-browed
high vacuum breakdown
house keeping money
impact break
ionic tube
iron-oxidizing bacteria
itinerant fibers
kennaways
kidneyless
Kolmogrov complexity
land cover change
lardiner
Las Palmas de Gran Canaria (Las Palimas)
LDP
Lobith
low-inertia pump motor
low-pressure by-pass system
made a her pile
measure measuring hopper
monchy
MPVs
multi-location
myopalmus
non-accounting
oal
out-kick
out-of-town park
over the rail
overstressing
ovulation
patellcctomy
pilot warning instruments
piscivorous
portau-prince
power newbie
private settlement
program counter store
random stacking
sack lunches
Sedirea
selected sample
sex characteristics
shaft voltage measurement
shd
sicilian-style
size of pipe and tubing
smarthole
sRLV
stasuphobia
sunagocia arenicola
sympathicotherapy
tail-pipe
thence-out
thermal transmissivity
time-binding
tooth pitch
traps case
tropical revolution
united states congresses
User Interface Markup Language
vertically propagating wave
visual evoked response
Wyk auf Föhr
Ximenean