单词：lantibiotic
单词：lantibiotic 相关文章
By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria
2007年VOA标准英语（二月）
STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR
2018年NPR美国国家公共电台5月
Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience
60秒科学
Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience
Scientific American(五)月
ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com
2017年NPR美国国家公共电台8月
RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh
2017年NPR美国国家公共电台12月
LULU GARCIA-NAVARRO, HOST: Love, Simon, is your typical teenage rom-com - a boy, a mystery love interest, misunderstandings, treachery and, of course, annoying and goofy teachers. The title character, Simon, is, in fact, deliberately typical. (SOUNDB
2018年NPR美国国家公共电台3月
They're called micronations - individuals, or small groups - who try to create their own countries, while living in a recognized state. They say they comprise a burgeoning movement for people who are dissatisfied with politics - or just want to have
VOA标准英语2010年(五)月
By Brian Wagner Miami 07 February 2008 Atlantis lifted off from the Kennedy Space Center in Florida, Thursday, carrying seven astronauts and a European built research module. The launch follows a two-month delay needed to fix a problem in the fuel ga
VOA常速英语2008年（二月）
Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be
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By Jim Malone Washington 12 February 2008 A heavy voter turnout is expected Tuesday in the next phase of the U.S. presidential election campaign. Nominating primaries are being held in Maryland, Virginia and Washington, D.C., and VOA National corresp
VOA常速英语2008年（二月）