单词:bristle cell
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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
Lesson 39 分词可以做名词,且形容词可以名词。 The rich are not necessarily happy. 有钱人并不都是高兴的。 The wounded were rushed to the hospital. 受伤的人被火速送到医院。 The unexpected has happened. 意想不到的
A: What can I do for you today? B: Doctor, I have the worst toothache! A: How long have you had this pain? B: For about a week or so, but it's gotten really bad in the last couple of days. A: Did you do anything that might have aggravated your tooth?
[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
Maria: So talking about social media, is your parents on any social sites like Facebook, Twitter, et cetera. Alex: My mum and dad are on Facebook. My mum doesn't use hers, she uses hers only to kind of see what I'm doing. Maria: Stalk you? Alex: Kind
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
More coming up on Day to Day from NPR News. From NPR News, it's Day to Day. Americans are loath to vote for higher taxes, except when it comes to smoking. On election days, states like Arizona and South Dakota voted for increased taxes on the sales o
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
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
A: What can I do for you today? B: Doctor, I have the worst toothache! A: How long have you had this pain? B: For about a week or so, but its gotten really bad in the last couple of days. A: Did you do anything that might have aggravated your tooth?
A: How have you been doing? B: I cant sleep or eat. I have a really bad pain in my tooth! A: How long have you had this toothache? B: It bothers me off and on, but its gotten much worse these past few weeks. A: Is there anything that youve done to yo
47 枯木发新枝--克隆树工程研究 DATE=7-18-01 TITLE=EXPLORATIONS #1961 - Cloning Trees BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VO
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
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
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
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
Surely these two travelers shall meet in joy and friendship; the flag at the masthead shall give the signal of friendship; 可以肯定的是,这两艘船上的旅行者相遇时应该非常高兴,共话友情。 the happy sailors shall cluster i
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
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
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