骨针状细胞

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(137) / 评论(0) 分类 VOA2003(下)-环境与健康

神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子

发表于:2018-12-06 / 阅读(56) / 评论(0) 分类 神奇校车系列丛书

[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(95) / 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(115) / 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(66) / 评论(0) 分类 每天一点英文

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(78) / 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(97) / 评论(0) 分类 Explorations

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(106) / 评论(0) 分类 2007年VOA标准英语(九月)

THE MAKING OF A NATION - American History: Popular Culture in '50s STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. Imagine a time machine. Youve just climbed into it for the purpose of visiting

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2011年VOA慢速英语(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(72) / 评论(0) 分类 VOA标准英语2008年(五月)

Popular Culture Inspires Top US Baby Names Theres a better-than-random chance that babies born in the United States last year, 2010, were named Bella or Edward. Those were among the 10 most popular girls and boys names, respectively, and it was more

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2011年(十二月)

HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American

发表于:2019-01-30 / 阅读(123) / 评论(0) 分类 健康与经济

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(92) / 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(93) / 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(211) / 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(198) / 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(201) / 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(107) / 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(154) / 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(92) / 评论(0) 分类 阅读空间
学英语单词
-nastic
abbassid
academic profession ability
adecco
all wrong
Avnφ
azaprocin
balanced transportation problem
bartas
batching room
bingo-caller
braamfontein
Brothers, The
Bugel, Tanjung
bytecodes
cgces
chemical engineering mathematics
coarse wheatfeed
commingles
computerized criminal history file
corrosion technology
countries and nationalities
curried favor
debugging data base model
dendrothripoides innoxius
Diosmine
disremembrance
Dourdou
dust barrier
essayest
evandamine
excentric embryo
experimental-moral
filmsets
franceschi
fruit-machines
gaius octavianuss
gesticulose
giacomini
grapetree
hanarry
harasztis
health professional
heart-shaped thimble
heavy loam
Herbal for Relief of Famines
herrn
high-carbon high-tensile steel wire
Huggins' tests
Joumblatt
jumpshot
keyword in the command language
labor unions
lechts
libration ellipse
madia
marblelike
mechanical assembly technique
meurthe(la meurthe riviere)
nanograins
necrotizing enteritis
neglectees
Nieuw-Milligen
nonreciprocal network
not a rag of something
oculopharyngeal
old-maid
open framework
plastices
platen-pressed particle board
pneumoventricule
press-talk system
principal axis of ellipse
quartz clocks
renounce the world
reserve sleeper
rigor stage
routing procedure
Rusken
scarlatina vaccine
sheffler
shovel gear
special loan
spicerer
St. Ignatius of Loyola
stelara
supergene-enriched zone
supply route
supprime
teepee
test indication
to bounce back
tootin
track polishing
troglodytics
uncurbs
underfooting
vasomotor tumentia
Viserotropic
warehousable
ya'll
zarontins