碱性锰电池

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(182) / 评论(0) 分类 VOA2003(下)-环境与健康

[ti:] [ar:] [al:] [by:] [00:01.00] Late At Night, Do You Turn Off Your Cell Phone? 今夜不关机 [00:08.22]Today, my friend asked me a question. [00:11.17]At night, do you turn off your cell phone? [00:14.78]If you dont, whom do you leave it on for

发表于:2018-12-26 / 阅读(143) / 评论(0) 分类 温馨夜读

金霸王国际公司是世界上制造和销售高效碱性电池的领先企业。金霸王是世界上最 知名卓越的消费品品牌之一。对于世界各地的人们来说,金霸王这个品牌代表了高品质的电池产品和不断创新

发表于:2018-12-28 / 阅读(142) / 评论(0) 分类 世界名牌博览

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(158) / 评论(0) 分类 国家地理2008年

Duracell is perhaps the worlds best known make of batteries. The brand is owned by the multinational conglomerate Proctor and Gamble. Duracell was founded by scientist Samuel Ruben and entrepreneur Philip Rogers Mallory. They developed an alkaline te

发表于:2019-01-01 / 阅读(149) / 评论(0) 分类 各大品牌英文介绍

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(六)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(七)月

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 2007年VOA标准英语(九月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 VOA标准英语2008年(五月)

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(138) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(135) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(268) / 评论(0) 分类 英语新闻

China's father of hybrid rice is planning to expand its production of sea-rice at a newly founded research center in Qingdao, a port city in the eastern province of Shandong, local sources said last Saturday. 据当地知情人士上周六透露,中国

发表于:2019-02-06 / 阅读(136) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(244) / 评论(0) 分类 趣味英语

Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题! 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is

发表于:2019-02-07 / 阅读(145) / 评论(0) 分类 英语美文

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(146) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(194) / 评论(0) 分类 英语新闻

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(136) / 评论(0) 分类 阅读空间

ways to kill stress 减压秘诀 Eat Healthier 吃健康的食物 Though a lot of stress is psychological, there are also plenty of physical factors that contribute to this natural human response to perceived danger. In order to mitigate stress, make

发表于:2019-03-06 / 阅读(163) / 评论(0) 分类 英语听力广播—Listening
学英语单词
accrued
all embracing agreement
balancing network
be unable to
Bol'shoy Semlyachik, Gora
canker of pear
Caratinga
cardinality
center shed jacquard
Chaca
chauffard-still syndrome
checks me out
circumglobally
clavijo
cloud engineer
coachwoman
coal pyrite
commercial port
completely cheesed
compressed sponge
corresponding species
countersniper
cuminalcohol
dangerous goods report
ddus
decentralized robust control
drawing pass
drum type spindle picker
ejector draught system
EV-DO
extended compound interest law
faunally
ferromagnetics
fertilizer balance
field-displacement isolator
foot-well
geitonogamies
Graptolitides
Haverhillia multiformis
hepatic veins
hose locker
hypomastia
iminolactone
important money
impulse voltage
Kléla
linear tube
Lobron
local description
made harbour
meant well by
Meesmann corneal dystrophy
methylium violaceum
mild sand
multiflorin
murder
net sweeping
non - executive directors
obviated
osherovich
ours
overparameterizes
Ownz
Perthexilene
phasor amplitude
photoconductivity switching
polinices didyma amplus
prepainting
pressure helmet
primitive data type
profibrotic
pterygium knife
pump sb for information
ratching motion
scutal suture
secombe
seismic source kinematics
self cleaning contact
semi killed ingot
semivitrification
serial scheme
short and intermediate term credit
skive off
soft ionization
somnolently
sophorosyl
spinalizing
St-Julien-Boutières
statutory exception
stimulated scattering
Stonewall County
strained-SiGe
systematic evaluation
tall problem
thumb control abjustable wrench
trachea (pl.trachea)
twinkie economics
unadherence
vending machines
veritate
Ziagen
zirconium powder