单词：dichlorofluorescin
单词：dichlorofluorescin 相关文章
A: I was supposed to meet with you at 1:30. B: Yes, I see. What did you need to see me about? A: There's a problem with my schedule. B: What's the problem? A: Two of my classes occur at the same time. B: Well, I can see that's a problem. A: Is it at
英语情景对话-大学生活
A: I have an appointment for 1:30. B: What can I help you with? A: Well, I have a problem with my class schedule. B: What is it? A: It seems that I've been given two classes scheduled at the same time. B: I can understand the problem with that. A: Is
英语情景对话-大学生活
This is the VOA Special English Agriculture Report. A locavore is someone who eats foods produced locally. Locavores usually define local as within one hundred sixty kilometers. This new term grew out of a reaction to the long distances that food no
VOA慢速英语2008年（八）月
Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
Politics Overtaking Science in Global Warming Debate Polls in recent years show that fewer Americans believe global warming is a threat or that it is driven by human activities. Thats despite consensus among scientists that climate change is not only
VOA标准英语2011年(九月)
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
On a cold, dull, Winter day, I sometimes light a fire after picking the children up from school. We gather around and feel cozy. The lounge where we have the fireplace also has a computer and a Wii console, so there is plenty to do for everyone. Thou
英语博客 A cup of English
D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠
医务英语
By Carolyn Weaver New York City 25 April 2007 Nigerian writer Chimamanda Ngozi Adichie Chimamanda Ngozi Adichie's acclaimed second novel, Half of a Yellow Sun , tells the story of a devastating moment in Nigerian history, the short existence of the b
2007年VOA标准英语（四月）
By Mike O'Sullivan Los Angeles 19 September 2006 The Getty Center is one of the leading art institutions in the United States. It is also major center for restoration of damaged art works. The Getty museum has been embroiled in recent controversies
2006年VOA标准英语（九月）
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
MARY LOUISE KELLY, HOST: I let you down. I should have acted faster and more decisively - the words of NPR CEO Jarl in an email to our newsroom. He met with NPR staff this afternoon two days after he asked for the resignation of senior vice president
2017年NPR美国国家公共电台11月
DAVID GREENE, HOST: Let's talk about what to call a fact that is not a fact. President Trump made a string of statements at the CIA over the weekend. Our correspondent Mary Louise Kelly used this language to describe some of them. (SOUNDBITE OF ARCHI
2017年NPR美国国家公共电台1月
GUY RAZ, HOST: Hey, Naomi, can you just quickly introduce yourself? NAOMI ORESKES: I am Naomi Oreskes. I'm the professor of the history of science and affiliated professor of Earth and planetary sciences at Harvard University. RAZ: So it's fair to sa
2017年NPR美国国家公共电台2月
Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da
词汇大师(Wordmaster)
The forestry industry in New Zealand is in trouble. Forestry has always been one of our major export industries but in recent years, it has been declining. Nineteen sawmills closed this year, two in the last month. New plantings of trees reached the
新西兰英语
By Robert Berger Jerusalem 16 December 2007 An Israeli delegation is making an unscheduled visit to the United States amid disagreements over the recent American intelligence report on Iran. As Robert Berger reports from VOA's Jerusalem bureau, the v
VOA常速英语2007年（十二月）
By Lisa Schlein Geneva 12 May 2007 The World Food Program (WFP) says it will be able to restore food rations it was forced to cut for more than a million displaced people in northern Uganda. As Lisa Schlein reports for VOA from Geneva, the WFP says i
2007年VOA标准英语（五月）
By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs
2006年VOA标准英语（五月）
BBC Learning English People and Places Xiaolu Guo Amber:Hello! Today, we meet a young and highly-successful Chinese writer and film- maker, Xiaolu Guo. She talks about learning English, and about how she had fun trying to find the right kind of Engl
人与地方