[机] 无细胞体系

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(144) / 评论(0) 分类 VOA2003(下)-环境与健康

communication 通讯 1 on the phone 电话英语 call center 电话客服中心 Adam had a job at a call center during his college years. 亚当大学时代曾在某家电话客服中心工作过。 call waiting 电话插拨 The new office phones hav

发表于:2018-12-05 / 阅读(75) / 评论(0) 分类 商务英语必备1000字

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(九)月

1. What reason does the girl give for needing a cellphone? A. She can use it to check her email. B. She can call family in case of an emergency. C. She can make cheaper long-distance calls with it. 2.What is one major feature of the calling plan? A.

发表于:2018-12-28 / 阅读(58) / 评论(0) 分类 听英文对话做选择

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(122) / 评论(0) 分类 国家地理2008年

I live inside your world You live inside my soul And no one there can find us These are such crazy times What's real what's in your mind But then you're just my imagination Lonely So lost without you And I've been only Yes I've been waiting in the da

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 音乐咖啡厅

Youve no doubt heard of free radicals, those nasty chemicals that seem to contribute to heart disease, cancer and all sorts of human ailments. Maybe you even take antioxidant vitamins to help get rid of these unwanted toxins. Well, maybe you shouldnt

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十)月

Can anybody find me somebody to love Each mornin' I get up I die a little Can barely stand on my feet Take a look in the mirror and cry Lord what you're doing to me I have spent all my years in believin' you But I just can't get no relief Lord Somebo

发表于:2019-01-10 / 阅读(93) / 评论(0) 分类 The Voice 美国好声音

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(107) / 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(79) / 评论(0) 分类 VOA标准英语2008年(五月)

Liz Adams had spent all day glued to her radio. Her favorite band was playing a show soon. A station was giving away free tickets. Liz was determined to win a pair. From six in the morning till midnight, Liz listened to the station non-stop. This wen

发表于:2019-01-24 / 阅读(78) / 评论(0) 分类 英语第4级听力-English Level 4

Antioxidants-Diabetes Connection In a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radicals help muscle cells respond to insulin. Karen Hopkin reports. Youve no doubt heard of fr

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 60秒科学

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(101) / 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(101) / 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(225) / 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(208) / 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(113) / 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(160) / 评论(0) 分类 英语新闻

I dont have a landline in my apartment. And since I work from home, that means that I dont have a landline for my work either. I havent had a landline for almost four years now, and Im okay. While not everyone is in a position to get rid of his or he

发表于:2019-02-18 / 阅读(70) / 评论(0) 分类 阅读空间

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(100) / 评论(0) 分类 阅读空间
学英语单词
a bill to order
Aconitum napellus
active molecule
age involution
air sprayer pistol
ameliorable
Anophthalmy
applicationware
bereta
Biocurious
biological product assay
bleek
blow the clouds
cancer-research
carrier insertion
child murder
common reference
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CTSS (compatible time-sharing system)
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devita
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event trigger
experimental verification
fire insurance office
five yards scrimmage
from every pore
graped
green spot
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high frequency capacitor ceramics
high-level programming language
HYDAPT (hybrid digital analog pulse time)
If I mistake not
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interstitial-free steel
iron-core material
ismat
israel pound
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legend line
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Lord Justice
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Mboro
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Oyabe
packing segment
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pet hates
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ravelings
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restockers
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sacraria
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sea-land system
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