单词：cell field model
单词：cell field model 相关文章
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
VOA2003（下）-环境与健康
The first of these to be built was the muskrat group, which still stands as good as new. 第一个威斯康星皮毛动物标本是麝鼠，如今还依旧如新。 From Milwaukee, Akeley went to the Field Museum of Natural History in Chicago. 从密尔
美国小学英语教材6
Scientists Seek Super Soybean to Help Global Food Shortage 科学家寻求超级大豆以帮助全球粮食短缺 LOS ANGELES According to the United Nations, the worlds population will increase by 34 percent by the middle of the century. Global food
VOA标准英语2014年(五月)
今天我们要学的词组是field。 Field多指空旷的地方。比如原野， 旷野, 还有油田 - oil field, 战场 - battlefield，等等。作为动词， field有回答、答复的意思。 比如，白宫发言人常常要回答一些很棘
英语每日一词
Ze isn't just a great public intellectual, he's also a brilliant community builder, 泽不仅是一名出色的公知，而且是一名优秀的社团组织者， and the community of people that built up around these videos was in many ways a commun
TED演讲科技篇
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
国家地理2008年
Chapter 22 校外教学 Tips: 1.Today I went to Danshui for a field trip. 2.First we went there by turist coach. 3.There was Today I went to Danshui for a field trip. I was so excietd and couldnt fall asleep. So I woke up too late in the morning, it
我的第一本英文作文书
UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t
人教版小学英语五年级
In the tradition of the Palestinian society, it's forbidden for men to enter the household. 在传统的巴勒斯坦社会，禁止男人进入家门。 So, no male journalists get the story. But I did. 因此，没有男性记者能进行采访。但是
TED演讲科学篇
By Carol Pearson Washington 17 December 2007 2007 was a year notable for breakthroughs in medicine. VOA's Carol Pearson looks back at some of the top medical stories of the year. One of the most promising developments in health in 2007 was the disco
VOA常速英语2007年（十二月）
Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin
自然百科2011年
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
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
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
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
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
英语新闻
An increasingly popular business model lets participating companies give to charity while making a profit. But the approach is blurring the lines between for-profit and not-for-profit organizations and raising questions about the real drivers behind
英语新闻