单词：equal stop
单词：equal stop 相关文章
This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. July is coming. Its a time to fire up the barbecue, hit the beaches and watch the fireworks. Its definitely not a time to be in the hospital. Because fa
Scientific American(六)月
This is the VOA Special English Health Report. Being a patient in certain hospitals in the month of July can be dangerous or even deadly. That was the finding of sociology professor David Phillips at the University of California, San Diego, and his s
2010年VOA慢速英语(六)月
By Carol Pearson Washington 28 March 2007 watch Stent Study report A new, landmark study finds heart stents devices used to open blocked arteries - may not be as effective in the long term as medication in preventing heart attacks. VOA's Carol Pears
2007年VOA标准英语（三月）
RACHEL MARTIN, HOST: Lower back pain - yeah, you know who you are. You're not alone, though. Most of us will suffer from lower back pain sometime in our lives. And when it happens, many of us will reach for pain medication. But new guidelines from th
2017年NPR美国国家公共电台2月
New Study Could Change Treatment for Asthma Global treatment guidelines for asthma could change as a result of a study led by a researcher at the University of Texas Medical Branch. Most adults who have mild or moderate asthma are told to use their i
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