单词：methylcoumarone
单词：methylcoumarone 相关文章
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
A MARTINEZ, HOST: Northeastern Nigeria now where the Boko Haram terror network has killed 20,000 people, driven millions from their homes and abducted thousands. Adults and children who survived the eight-year insurgency are beginning to tell their t
2017年NPR美国国家公共电台8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
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
Explorers Hope They Are Close to Solving Amelia Earhart Mystery Earhart was a pioneering American aviator in the early 20th century. The first woman to fly solo across the Atlantic Ocean, she became a national celebrity. In July of 1937, she and navi
VOA标准英语2012年(六月)
American Muslims Prepare for Ramadan 美国穆斯林准备进入斋月 LOS ANGELES The Islamic holy month of Ramadan begins Thursday, June 18th in Los Angeles, and Muslims around the world are preparing the time of fasting, reflection and communal ga
VOA标准英语2015年(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
By Gilbert da Costa Abuja 04 September 2006 Health officials in the northeastern Nigerian state of Borno have confirmed the death of at least 80 people in a cholera outbreak. Nearly 2,000 people have so far being infected. The state government has d
2006年VOA标准英语（九月）
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 VOA News 07 March 2007 Umar Yar'adua (December 2006) The presidential candidate of Nigeria's ruling party says he will return soon from Germany, where he was flown Tuesday for medical treatment. In an telephone interview Wednesday with VOA's Hausa
2007年VOA标准英语（三月）
By Sarah Simpson Kano 11 April 2007 Lawal Manesara, left, discuss with Ali Usman, centre, and sani Bako, right, all polio victims in a street of Lagos, Nigeria, 4 May 2005 Many polio victims in the northern Nigerian city, Kano, have turned their back
2007年VOA标准英语（四月）