单词：cell biologist
单词：cell biologist 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
Faiza Elmasry | Washington, DC 29 March 2010 Cell biologist Elaine Fuchs is known for revolutionizing the study of skin and for her support of women in science. Children, Elaine Fuchs says, have a natural fascination with science. She remembers that
VOA标准英语2010年(三月)
Biologist Creates Portrait Gallery of North American Bees 生物学家绘制北美蜜蜂精美肖像画 While the collapse of honey bee colonies in North America is still an unsolved mystery, a biologist with the U.S. Geological Survey is trying to p
VOA标准英语2014年(三月)
[00:04.49]Part 1 [00:07.34]WARMING UP [01:34.41]biology=scientific study of the life and structure of plants and animals [01:52.98]the biology of bacteria biologist [02:04.94]biological washing powder [02:28.30]LISTENING [02:34.25]1. Listen to the ta
高中英语人教版高一
蒋健棠听说学英语 Chapter16:The wildlife biologist
蒋健棠听说学英语
billion ['biljən] n.（美）十亿，（英）万亿 correct [kə'rekt] a.正确的；v.改正 excuse [iks'kju:z] v.原谅 ground [graund] n.场地，地面 knife [naif] n.小刀 motorcycle ['məutə,saik] n.摩托车 porridge [pɔridʒ] n.粥 seem
1200个常用英语口语单词（MP3+文本）
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
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化学秘密.Chemical.Secret
ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden
2017年NPR美国国家公共电台9月
During a research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank. 在一个研究实验中，一个海洋生物学家把一条鲨鱼放进一个大的水箱中，然后投放
英语美文
During a research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank. 在一个研究实验中，一个海洋生物学家把一条鲨鱼放进一个大的水箱中，然后投放
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So what does rafting down the Grand Canyon have to do with science education? 那么大峡谷漂流而下与科学教育有什么关系呢？ Ann Reid, former research biologist and current executive director of the National Center for Science Educat
2016年Scientific American(八)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
VOA常速英语2008年（四月）
Veronica was an only child. Even as a child, she decided that she was going to be a doctor. All her dolls became her patients. All her dollhouses became hospitals for her patients. She spent her early childhood treating her patients for all kinds of
365个英语简短小故事
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
Rachel Carson 蕾切尔-卡逊 Rachel Carson was a marine biologist and a nature writer. 蕾切尔-卡逊是海洋生物学家和自然作家。 She really cared about nature and enviroment. 她很关切自然和环境。 She spent a lot of time read
与美国小学生一起学英文第5册
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
Sharks attack tourists at holiday resort 埃及红海海域鲨鱼出没攻击游客 What do you expect when you go on holiday? Probably to relax, have a good time and above all, stay safe. Sometimes natural disasters, such as a hurricane or an erupti
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