纺锤状细胞

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(481) / 评论(0) 分类 VOA2003(下)-环境与健康

Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many

发表于:2018-12-15 / 阅读(370) / 评论(0) 分类 VOA慢速英语2008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(429) / 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(395) / 评论(0) 分类 国家地理2008年

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(366) / 评论(0) 分类 健康与经济

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(410) / 评论(0) 分类 2007年VOA标准英语(九月)

This is the VOA Special English Agriculture Report. A farmer in his maize field near Arusha, Tanzania The maize streak virus causes one of the most destructive crop diseases in Africa. Not only is it economically damaging, it can also threaten food

发表于:2019-01-11 / 阅读(355) / 评论(0) 分类 VOA慢速英语2008年(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(387) / 评论(0) 分类 VOA标准英语2008年(五月)

African sleeping sickness affects mostly rural people in 36 sub-Saharan countries. The World Health Organization says there are currently an estimated 30,000 cases. Left untreated, it is fatal. Sleeping sickness is caused by a parasite that is transm

发表于:2019-01-13 / 阅读(324) / 评论(0) 分类 VOA标准英语2010年(十二)月

Topics: Famous Americans - Jim Thorpe; United Code of Military Justice Common Crimes; pre-paid cell phones; abbreviation versus acronym; a matter of form Words: intramural team hurdle pentathlon decathlon amateur posthumously absent without leave des

发表于:2019-01-22 / 阅读(282) / 评论(0) 分类 美语听力 English Cafe

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(399) / 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(385) / 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(607) / 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(481) / 评论(0) 分类 趣味英语

By Jim Malone Washington 06 December 2006 The long-running political debate in Washington over the war in Iraq took a major turn Wednesday with the release of the report of the bipartisan Iraq Study Group. As VOA National correspondent Jim Malone re

发表于:2019-02-07 / 阅读(411) / 评论(0) 分类 2006年VOA标准英语(十二月)

Compared with the new eukaryotes the old prokaryotes were little more than bags of chemicals, in the words of the geologist Stephen Drury. 地球已经朝着真正有意思的行星迈出了第一步。与新的真核细胞相比,旧的原核细胞借

发表于:2019-02-17 / 阅读(295) / 评论(0) 分类 万物简史

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(428) / 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(473) / 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(378) / 评论(0) 分类 阅读空间

台湾籍旅美老师今天交给我们的句子是: I'm so tired of performing in a pageantry of vanity that conform into this accepted form of digital insanity. Call me crazy, but I imagine a world where we smile when we have low batteries, cuz t

发表于:2019-03-05 / 阅读(316) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
aeolipile
ambercane
amphogneiss
an open hand
anterior commissurotomy of spinal cord
arc converter
as an example
as honest as the day is long
aurothion
beknotted
boiling sulphur reactor
brought you down
Canella-alba
Caodaiists
capital of Peru
central waste water treatment
chair-makings
chemico-analytic
come in for something
copper-oxide cell
counts per channel
Desges
devilbend
disagreeable person
distell
effective turn
elastohydrodynamic lubrication theory
emerged plants
epinephelus hexagonatus
eruption-promoting prescription
estimate in
eyelet grommet
fastfood
fence-post
focus shift
foundational juridical person
frequency reproduction
Geosynchronous satellite.
gopiks
governmental international institution
Grisolle's sign
high-velocity electron beam
house telephone
indescribable
indirect method
information exchange center
input channel
keelline
kiln for large pieces
Kāmtha
Lactobacillus lactis
lazurfeldspar
line hit
linfords
Livingstonia
master prism
membership function
mercury compound
miliolid
molecular bond energy
molten metal dip coating
Motoura-kawa
murrows
near field holography
neutrion
nitrosation titration
non-pageable dynamic area
non-uniform quenching
oxyneurin
paper girl
peramorphosis
physical changes
piece-dyeing machine
pollutants in flue gas
ponomaryov
process air
rebonded sand
reclass
remagnetizations
rescission of contract
rosinas
rotating blade propeller
screw-holder
send side
sensory conflict hypothesis
Septotan
shaft-driven oil pump
signal synthesis
sinker bar guide
spondence
spontaneous generation of lookahead
terminal modem eliminator
three-phase half-wave double y rectifier
traffic bound
tumor cell
twingy
udpg (uridine diphosphate glucose)
vinew
vitriying clay
would not cross the road to do something
Zalieutes
zoogamy