单词：N-Methylephedrone
单词：N-Methylephedrone 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
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
Pentagon says Iranian fighter jet attacks U.S. drone WASHINGTON, Nov. 8 (Xinhua) -- Iranian fighter jet has attacked a U.S. drone but missed, so the unmanned American aircraft suffered no damage and returned safely to base, the U.S. Defense Departmen
英语新闻
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
Technology Report - Drones: Not Just For the Military Anymore 科技报道 - 无人机在军事领域之外的多种应用 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Late last month, for the fi
2012年VOA慢速英语(二)月
US Drone Strikes Under Scrutiny Unmanned drones are being used with increasing frequency in fighting terrorist groups like al-Qaida. A recent analysis by the New America Foundation estimated drone strikes in Pakistan and Yemen since 2004 have killed
VOA标准英语2013年(四月)
Chinese logistics firm SF Express has tested the delivery of emergency supplies through the use of a large drone, reports thepaper.cn. A domestic-developed large drone delivered equipment which would have been needed for the quick repair of communica
2017CRI中国国际广播电台
Reporter: As the market for commercial drones goes more mainstream, the industry's major players are trying to attract a wider range of consumers. Michael Perry, Director of Strategic Partnerships with DJI, says the 800-square-metre shop aims to help
2015CRI中国国际广播电台
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)
Israel downed unmanned drone in south: IDF spokesperson JERUSALEM, Oct. 6 (Xinhua) -- The Israeli air force has on Saturday struck down an unmanned aircraft in the Israeli airspace, an Israel Defense Forces (IDF) spokesperson told Xinhua. But the spo
英语新闻
Iranian state television on Thursday released the first images of what it said was a U.S. unmanned reconnaissance drone downed on Sunday along Iran's eastern border after it made a brief incursion into its airspace. The footage shows Iranian military
英语新闻
A California company that makes unmanned drone aircraft for the U.S. military has unveiled a tiny flying drone that looks like a hummingbird(蜂鸟). The airborne spy is part of a new kind of military technology that also has civilian uses. Several y
英语新闻
NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of
英语新闻
SCOTT SIMON, HOST: A small drone sparked enormous disruptions at London's Gatwick Airport this week. Thousands of passengers were grounded as police struggled to stop the drone or drones from flying into restricted airspace. Police have arrested two
2018年NPR美国国家公共电台12月