单词：2-ethyl-1-butanol acetate
单词：2-ethyl-1-butanol acetate 相关文章
BBC Learning English 6 Minute English Shopaholics（购物狂） NB: This is not an accurate word-for-word transcript Kate: Hello and welcome to this week's 6 Minute English where and I'm joined again by Rebecca. Hi Rebecca. Well, when it comes to sub
六分钟英语
AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s
2014年VOA慢速英语(五)月
Ory Okolloh 讲述她人生和家庭的故事，以及她为何开始报道肯尼亚议会的工作
TED公开课:告女性说
美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related
VOA双语新闻 2014年1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
It was their first vacation together in years. Meg and Oscar had been running their own jewelry business for years. They made a nice income, but they were busy all the time. They went to one trade show after another, flying throughout the US and ofte
365个英语简短小故事
Tips and Advice for Workaholics Lately, your job has taken up much of your time. You've even started bringing work at home and you keep working until the wee hours (凌晨）of the morning. You spend Saturdays and Sundays with your head bent on your
白领美丽英文诵典365
β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安
医务英语
shool IwishIwasinthelandofsilly WhereIcouldbesosilly,willy,nilly, Whtiahob-alob-a-looandawil-la-bil-la-bee, Withabib-a-lob-a-loobobeel. Shool,shool,shoolIrool, ShoolIshag-a-rackshool-a-bob-a-loo, Inthelandofsillywithanillywillywe, Withabib-a-lob-a-lo
Wee Sing In The Car
The political turmoil in the Arab world may not only lead to much higher oil prices, but greater competition for resources and a shift in priorities for oil-producing nations. So says the author of Rising Powers, Shrinking Planet. What's happening in
VOA标准英语2011年(三月)
Killing of US School Children Sparks Gun Control Discussion Authorities say the weapons used in the Newtown shooting were legally registered to Nancy Lanza, the mother of the gunman, Adam Lanza. She was the first of 27 victims of the shootings, inclu
VOA标准英语2012年(十二月)
Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6
VOA标准英语2014年(一月)
By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid
2007年VOA标准英语（六月）
One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds
白领英语晨读
By Barry Unger Washington, DC 13 September 2006 watch Volunteerism report In the United States, volunteering has long been a part of the American way of life. In 2005, roughly a fifth of the U.S. population participated in volunteer activities. More
2006年VOA标准英语（九月）
Workaholism 工作狂 Kate: Hello, Im Kate Colin and this is 6 Minute English. Today I'm here with Jackie and were talking about people who work too much. Jackie: Hi Kate, yes most of us spend the majority of our lives at work and our working patterns
六分钟英语
On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上，公司的历史没有提及铅──也没有提
万物简史
By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo
万物简史
Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions
万物简史
If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill
TED演讲教育篇