燃料单元电池

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(219) / 评论(0) 分类 VOA2003(下)-环境与健康

CHAPTER FOUR READING [00:04.18]A dangerous sevant. [00:10.74]One evening,Daisy said 'I'm going to the shop to buy a packet of sweets. [00:19.10]Does anyone want anything? 'Benny,Daisy's brother said,'Yes. [00:28.24]Can you get me a packet of electric

发表于:2018-12-01 / 阅读(480) / 评论(0) 分类 上海牛津初中英语八年级

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(173) / 评论(0) 分类 VOA2003(上)-科技导航

Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken

发表于:2018-12-11 / 阅读(148) / 评论(0) 分类 万花筒2008年

[00:05.09]Talking about thihgs you've bought [00:12.25]Oh,I like those shoes.Are they new? [00:17.50]Yes,I only bought them a few days ago. [00:22.26]They're Really nice.They really suit you. [00:27.61]Thanks.I wasn't sure about them to begin with,bu

发表于:2018-12-13 / 阅读(213) / 评论(0) 分类 创新英语教程第一册

Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 超级简单英语阅读

SCIENCE REPORT — February 7, 2002: Fuel Cell Cars By Mario Ritter This is the VOA Special English SCIENCE REPORT. The United States Secretary of Energy, Spencer Abraham, has announced a program to d

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 科技之光

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(161) / 评论(0) 分类 Explorations

Three-dimensional cell phones and batteries that last much longer are just two of the techonogies that could become commonplace in the next few years. For the fifth year, IBM has looked at the horizons of research, picked five technologies and announ

发表于:2019-01-07 / 阅读(144) / 评论(0) 分类 VOA标准英语2011年(一月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(九)月

If you could have one superpower, what would it be? 若你能拥有超能力,那会是什么呢? More time. More energy. If the world can put more of both into the hands of the poorest, we believe it will allow millions of dreams to take flight. Ju

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 阅读空间

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,

发表于:2019-01-11 / 阅读(195) / 评论(0) 分类 VOA慢速英语2008(十)月

This is Scientists American sixty seconds. I am Santy Graver. Got a minute? They are called button cells, coin cells or watch batteries. By any names, this tiny round batteries pose a choking danger to kids. And if a kid succeeds in swallowing a butt

发表于:2019-01-20 / 阅读(129) / 评论(0) 分类 2014年Scientific American(十一)月

Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at

发表于:2019-01-24 / 阅读(152) / 评论(0) 分类 英语第1级听力-English Level 1

Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a

发表于:2019-02-01 / 阅读(149) / 评论(0) 分类 原版英语对话1000个

By Deepak Dobhal Washington 07 November 2007 Scientists in the United States have developed a new kind of battery that looks and feels just like a piece of paper. VOA's Deepak Dobhal reports its inventors say the battery's power and flexibility make

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 VOA常速英语2007年(十一月)

Tiny nanomaterials show promise in many efforts to reduce greenhouse gas emissions Rosanne Skirble | Washington, DC 03 December 2009 Sir Lankan village shop at dusk lit by solar panels - Nanotechnology could help make solar cells more accessible, eff

发表于:2019-02-12 / 阅读(111) / 评论(0) 分类 VOA标准英语2009年(十二月)

Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. 埃德里安娜:玛丽,我的电池快没电了。我很高兴你有电池,不过它们太凉了。 Mary: Well, I keep them in my frigerator along wit

发表于:2019-02-12 / 阅读(134) / 评论(0) 分类 实战口语情景对话

Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a

发表于:2019-02-17 / 阅读(174) / 评论(0) 分类 英语访谈对话

Ya?l: Welcome to another episode of Lunch with Don and Ya?l. So, Don, what are you eating today? Don: Nothing. Y: Nothing!?! Are you on a diet or something? D: Not by choice. To be honest, I'm trying to save money by buying less food. Y: Why? D: Beca

发表于:2019-02-23 / 阅读(118) / 评论(0) 分类 英语时差8,16
学英语单词
Actinostemma
aggregate cooling
Anasazi
anti-armour helicopter
antiwithdrawal device
autonomous port
backlight
bailing air rate
ball-bustings
cam shaft timing idle gear
can decatizing
cataracta electrica
chauffeured-car
clarence seward darrows
commodity capital
controllable pitch propeller oil pump
damping pollution
Demaratus
dembi dolo (dembidollo)
disbank
disciplinary dismissal
draught effect
electrorefine
elevation range (for antenna measurement)
en diagonale
enlarged edition
ensure to
externe
feed patten
fixed sieve
flanker
flight control digital computer
food-based
forthly
front arch
gehey
gut shot
half wave symmetry
hard cost
hau
information-destroying process
infrared standard spectrum
interface program
keep in the dark
keijia donghaiensis
Kāmdesh
Lakhva
laserpitin
ld/50 time
Lead(IV)acetatate
lesson notes
lexicographic evaluation function
locker-room mentality
Logobou
lyond
machine account
marreese
masting
mcclures
Mergaïeb, Dj.
metrazol shock
Milang
monoarylations
Nokh
non-expired cost
of even date
one time and another
parameter of earthquake
pellicer
phone-in
Phyllagathis setotheca
piezomagnetic material
pilot check list
plan radius of curvature
play park
plutonium(iv) chloride
positive pressure wave
program debugger
Propionibacterineae
protein nitrogen
public key infrastructure (pki)
quasi-split algebraic group
radiant power
reachability relation
reaction equilibrium in reaction heat of
refutabilities
saym
scientific intelligence
sheree
space radiation protection
spent catalyst
steering motor
successive structure
swaree
tiger lily
tiludronate
unbrotherlike
vernier calipers model roller type
vesicoprostatic
visibletrade
well-metalled
wistonwishes