单词：2-Methylbutan-2-ol
单词：2-Methylbutan-2-ol 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 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
Scientific American(三)月
You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
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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
Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented
60秒科学
M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
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
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
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)
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）
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
VOA常速英语2013年(十月)
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