单词：methyl abietate
单词：methyl abietate 相关文章
David Gollust Secretary of State Colin Powell says Tuesday he has no reason to doubt the ability of the Saudi government to maintain stability and continue oil exports, despite the weekend terrorist a
VOA2004（上）--各类新闻
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
初学者听力文摘精选
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 abject [ 5AbdVekt ] He is an abject li
每日攻克5词
THE PRESIDENT: I want to thank an extraordinary group of American citizens who have served our country as members of my Cabinet. Everybody around this table here could have taken the easy road and stayed home and worried about their own comforts, bu
美国总统每日发言
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
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
By Alisha Ryu Mogadishu 27 July 2006 Nineteen Cabinet ministers in Somalia's fragile secular interim government in Baidoa resigned Thursday, possibly in an attempt to facilitate a power-sharing deal with rival Islamists. Meanwhile, the Islamists str
2006年VOA标准英语（七月）
Nigerian President Umaru Yar'Adua has reconstituted his Cabinet, almost two months after sacking half the panel in a drawn-out re-organization. Cabinet appointments part of efforts to rejuvenate administration, says Pres. Umaru Yar'Adua (file photo)
VOA标准英语2008年(十二月)
U.S. President George Bush says he is leaving office with a record of accomplishment, and says he is going back to Texas with his head held high. Mr. Bush spoke during a farewell meeting with his Cabinet. President George W. Bush holds a closing mee
VOA标准英语2009年(一月)
Adrienne: So how do you eat the sushi? What's the best way to eat it? Hiroshi: I usually use chopsticks but some people, they definitely prefer just using hands. Adrienne: You can eat with your hands at the restaurant? Hiroshi: The restaurant if it's
原版英语对话1000个
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
John Key announced five new Cabinet Ministers yesterday from the minor parties. Today, he announced another 23 from the National Party. This makes 28 Ministers. Bill English will be Deputy Prime Minister, Minister of Finance and Minister of Infrastru
新西兰英语
Now that the National government has chosen the Cabinet ministers, Phil Goff, Leader of the Opposition, has chosen his Shadow Cabinet. These are the people who shadow or mark the government Cabinet ministers. For each department, there is a minister
新西兰英语
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)
Kenyan President Mwai Kibaki has discussed the formation of the country's abinet with Raila Odinga, the opposition leader expected to take up the post of prime minister in a coalition government, but the two have not reached agreement. Meanwhile, civ
VOA双语新闻 2008年3月