单词:sodium anhydromethylene-ctrate
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SCIENCE REPORT - January 2, 2002: New Cold Drug By Nancy Steinbach This is the VOA Special English Science Report. American researchers say they have developed the first drug that can effectively trea
Callum: Hello Im Callum and this is 6 Minute English. With me today is Neil, hello Neil. Neil: Hi Callum Callum: In todays programme were going to be looking at an interesting story of war, secret messages, codes and Neil: And, and what? Callum: Pige
Renee Montagne: Hundreds of thousands of Americans have back surgery every year at a much higher rate than any other country. Whether there are too many back surgeries is a hotly debated subject in orthopedist , NPR's Joanne Silberner examines the q
By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med
Where's My Booger? 我的鼻屎干哪儿去了? As I was trying to pack for vacation, my 3-year-old daughter was having a wonderful time playing on the bed. 在我忙着为出去度假收拾行李的时候,我3岁的女儿在麻上玩儿得很开心