单词：methylenimine
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Genius at Work 天才在工作 Henry Ford didnt always pay attention in school. One day ,he and a friend took a watch apart. Angry and upset, the teacher told him both to stay after school. Their punishment was to stay until they had fixed the watch.
世界上最美丽的英文-人生短篇
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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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
经济学家Eleni Gabre-Madhin概述了她将在埃塞俄比亚建立第一个商品市场的雄心愿景。她的计划将会创造财富，把农民的风险降到最低，并把世界最大的食品援助接受国转变成一个地区性的食品篮
TED公开课:贫穷至进步
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
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)
RIO DE JANEIRO, July 19 (Xinhua) -- The Sao Paulo soccer team proudly presented Denilson on Tuesday. Denilson, who left Sao Paulo in 2005 at the age of 18 to play for England's Arsenal, claimed that he was unsatisfied at Arsenal and with head coach A
英语新闻
BEIJING, July 20 (Xinhua) -- A senior Chinese official has urged local governments to make more efforts to transform the economic development pattern and maintain steady economic growth. He Guoqiang, a member of the Standing Committee of the Politica
英语新闻
Senior leader launches high-end automobile production base BEIJING, Oct. 27 (Xinhua) -- Senior leader Jia Qinglin has officially launched a high-end production base for Beijing Automotive's Chinese branded automobiles. Jia, a member of the Standing C
英语新闻
BEIJING, June 8 (Xinhua) -- Senior Chinese leader Jia Qinglin has urged the country's aerospace science workers to strive for more breakthroughs in core technologies by taking an independent innovative approach. Jia, a member of the Standing Committe
英语新闻
BEIJING, Aug. 22 (Xinhua) -- A senior official of the Communist Party of China (CPC) has urged local political consultative organizations to promote their successful experiences and use them in their daily work. Wang Gang, vice chairman of the Nation
英语新闻
NANCHANG, Feb. 28 (Xinhua) -- Senior Chinese official Li Changchun has called for efforts to boost tourism in the country's sites of revolutionary history. Li, a member of the Standing Committee of the Political Bureau of the Communist Party of China
英语新闻
BEIJING, Jan. 4 (Xinhua) -- Senior Chinese leader Li Changchun on Wednesday called for more efforts to strengthen the Internet construction and management and promote a healthy online culture. Li, a member of the Standing Committee of the Political B
英语新闻