镍镉电池

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(166) / 评论(0) 分类 VOA2003(下)-环境与健康

By Sonja Pace London 30 June 2007 British police officers walk past tourists in the pouring rain in central London, 30 Jun 2007 London is on alert - police have stepped up patrols and a search is under way for a man seen running from a Mercedes car

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 2007年VOA标准英语(六月)

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 VOA标准英语2014年(六月)

[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(126) / 评论(0) 分类 温馨夜读

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(148) / 评论(0) 分类 国家地理2008年

The girl would turn her cell phone off and put it by her photo on the desk everynight befor going to bed. This habit had been with her ever since she bought the phone. The girl had a very close boyfriend,when they couldn't meet ,They would either cal

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 每天一点英文

不少准妈妈们都为宝宝做过三维或四维彩超,并给宝宝们拍下人生中的第一张照片。而试管宝宝们如今更可以拥有自己胚胎细胞时期的珍贵影像,这就是细胞拍。 It is the latest trend in baby pictu

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 英文语法词汇

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(133) / 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(101) / 评论(0) 分类 VOA标准英语2008年(五月)

Push to Ban Cell Phone Use While Driving Builds In an unprecedented move, the National Transportation Safety Board in the U.S. is recommending that motorists turn off all cell phones while driving. The board, charged with determining the cause of tra

发表于:2019-01-13 / 阅读(62) / 评论(0) 分类 VOA标准英语2011年(十二月)

上一次我们学了几个由penny这个词组成的习惯用语。 Penny是美国货币中价值最低的,而今天要学的习惯用语都包括nickel这个词,nickel的价值仅高于penny,是值五美分的硬币。Nickel通常指一种银白

发表于:2019-01-14 / 阅读(184) / 评论(0) 分类 美国习惯用语

> 11 关于使用蜂窝式电话安全性的研究 DATE=3-8-01 TITLE=SCIENCE REPORT - Largest Cell Phone Study BYLINE=George Grow ( Start at 59

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 科技之光

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(122) / 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(123) / 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(250) / 评论(0) 分类 英语新闻

10 Things You Didnt Know About Cell Phones Just when we feel comfortable enough to say wow, cell phones have really changed the way we operate, things get even weirder. Here are 10 facts about cells from around the world that show the scale and style

发表于:2019-02-07 / 阅读(232) / 评论(0) 分类 阅读空间

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(230) / 评论(0) 分类 趣味英语

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(132) / 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(179) / 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(122) / 评论(0) 分类 阅读空间
学英语单词
a-student
adiantum bellums
air loaded tension device
anaclitic object choice
analog signal generator
barrier to entry
barstools
battle sights
bioelectric potential
bioluminescence method
Boki
brain-fag
Cam-gearing
cephalic curvature
chemosorption
Chermenze
circulation frequency of word
clown shoes
concrete sheet-piling
continuous attenuator
conundra
cuckoo hashing
cutaneous tag
cylindrical polar coordinates
cymophanes
d-orbitals
dietary alveoloclasia
dodgily
double-Gauss derivatives
enanthoyl
ESR-imaging
ethyl azelate
field magnet
follicular atrophoderma
formal justice
full-season
gas-turbine blower
general business
glacioaqueous clay
gscc
halide
hatchet-shaped
have one's cry out
hemorrhagic erythema
histiocytomata
host crystal atom
ikolo
international monopolies
international publics
isopeulustrin
item for inspection
little-knowns
long-column
Lower Whitehall
lowest passenger deck
macrophoma neottopteridis
macrophylogenetic
masindes
merteen
microthermistor
minimum distance algorithm
molecular endocrinology
multiloop control systems
Neosulfon
neuroradiological
NGLs
Operating day
oxygen anion generator
partial obsolescence
plantar surfaces of toe
playfriend
port and helix metering
projective homology group
Pyrrolooxygenase
rear-wheel drive
recognized jurisdiction
recordari
rocking lever
S. and M.
Sant'Andrea, I.
scalder
self-abasement
self-suggested
semilive skid
services provider
Shardvark
ship lost or not lost
shipper's risk
Slamet, Gunung
spreading gooseberry
steel material
steel-band conveyer
to stand aside
tonsured
two-phase generator
U.S. ton
under all circumstances
underslung jib
Victoria green
Wiston
xenologs
Yomadu