单词：cecum cupulare
单词：cecum cupulare 相关文章
Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove
Scientific American(八)月
Stephen Foster, 1826-1864: America's First Popular Songwriter He wrote more than two hundred songs during the eighteen forties and eighteen fifties. VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program
名人轶事
By Sonja Pace London 06 March 2008 Britain plans to introduce a controversial identification card plan in the coming months, with foreign workers first in line to get the compulsory ID's. VOA's Sonja Pace has details from London. The British governme
VOA标准英语2008年（三月）
Russian Foreign Minister Sergei Lavrov says Russian troops have no timetable for withdrawing from Georgia under a cease-fire agreement both sides have signed. Lavrov told reporters in Moscow today the pullout is contingent on the security situation
VOA标准英语2008年（八月）
STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus. Every ten years the United States government counts the national population and asks people questions about how they live. Results fr
2011年VOA慢速英语(三)月
to pull no punches straight from the horse's mouth 大多数人都认为诚实和坦率是一个很好的品质，尽管我们不见得每时每刻都能够做到，美国人也不例外。在美国的日
美国习惯用语