标签：genetic 相关文章
AGRICULTURE REPORT - Fish Farming By Mario Ritter Broadcast: Tuesday, June 15, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Fish is an important food for many people. In s
农业与发展
WASHINGTON President Barack Obama has started initiatives to study the brain and gene-based diseases. He has led attacks on the Ebola virus and antibiotic resistance. Last month, he wrote an academic article in a prominent medical journal. 华盛顿美
英语新闻
This is Scientific American 60 second science, I am Christopher Intagliata, got a minute The sounds many animals make are determined by their genesthey don't have to learn them. Humans, on the other hand, have all sorts of languages and accents, stuf
Scientific American(二)月
In what is only his second prime-time Oval Office address to the nation, President Obama at this hour is expected to declare Operation Iraqi Freedom to be over with the end of US combat mission. Mr. Obama excerpts some of his speech released by the W
2010年NPR美国国家公共电台9月
With New Years resolutions the name of the game at the moment, weight loss is most likely on the minds of many. In fact, a YouGov poll taken in December 2014 showed that weight loss was by far the most common resolution, at 35% of all respondents; 20
实用英语
a dramatic increase 急剧增长 英文释义 An increase that is so large it may attract attention. 例句 Genetic improvements in agriculture have resulted ina dramatic increase in many crops, often doubling or tripling annual production.农业基因
每日商务英语
If you're trying to learn more about your family, there's probably no better place to start looking than your name! 如果你想多多了解自己的家族，或许最好的方法就是从你自己的姓名入手! While there are plenty of exceptions
英美文化
This is the VOA Special English Agriculture Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water
VOA慢速英语2008年（十一）月
PEOPLE IN AMERICA - Barbara McClintock, 1902-1992: She Made Important Discoveries About Genes and Chromosomes She was the first American woman to win an unshared Nobel Prize. Transcript of radio broadcast: 03 May 2008 VOICE ONE: Im Doug Johnson. VOI
VOA慢速英语2008年（五）月
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell about an animal that can reproduce without mating. We also will tell about a Swedish man who d
VOA慢速英语2007年（六）月
This is the VOA Special English Health Report. This year's Nobel Prize in medicine will go to three researchers who found a way to learn about the duties of individual genes. They discovered how to inactivate, or knock out, single genes in laborator
VOA慢速英语2007年（十）月
How Did You Get so Intelligent? 你怎么那么聪明? You may have heard people say that hard work is more important than the intelligence you are born with. Recently, researchers noted changes in the brains of individuals immediately after they wer
2014年VOA慢速英语(九)月
Scientists Aim to Freeze DNA Before Creatures Die Off 科学家旨在在生物灭绝之前冻结其DNA Earth is in the middle of its sixth mass extinction. The last such event took place 66 million years ago, when an asteroid a huge space rock - hit
2015年VOA慢速英语(八)月
Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien
2015年VOA慢速英语(五)月
Tuberculosis Found in 18th Century Bodies 结核病发现于18世纪的尸体 Researchers have found tuberculosis bacteria in 200-year-old human remains. The researchers say the discovery is surprising. The remains came from a Hungarian church where
2015年VOA慢速英语(四)月
Scientists Could be Closer to AIDS Cure 科学家即将研发出治愈艾滋病的方法 Since the start of the deadly AIDS epidemic in the 1980s, scientists have been working towards a cure. Now, they may be close to finding one. 自从上世纪90年代
2016年VOA慢速英语(四)月
Definitions of Autism Are Changing The Perromat family has three beautiful boys: Lucas, Philip and Thomas. Philip is the middle child. By the time he was a toddler, Kim and Carlos Perromat had already suspected that Philip's failure to make eye conta
VOA标准英语2012年(五月)
June 26th, 1963During the Cold War, President John F. Kennedy visits what's then West Berlin, showing solidarity with its citizens against communism. As a free man, I take pride in the words Ich bin ein Berliner. The visit takes place exactly fifteen
历史上的今天-2011年
June 26th, 1963During the Cold War, President John F. Kennedy visits what's then West Berlin, showing solidarity with its citizens against communism. As a free man, I take pride in the words Ich bin ein Berliner. The visit takes place exactly fifteen
历史上的今天-2012年