房性融合搏动

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Atrial fibrillation is a cardiac arrhythmia that often produces very disruptive palpitations, fatigue, and even shortness of breath. Worse, atrial fibrillation can substantially increase your risk of stroke. If you have atrial fibrillation there is l

发表于:2019-01-03 / 阅读(38) / 评论(0)

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THIS IS AMERICA - Late 20th-Century Jazz: New Beats for a Ch

THIS IS AMERICA - Late 20th-Century Jazz: New Beats for a Changed World By Jerilyn Watson Broadcast: Monday, August 15, 2005 (MUSIC) ANNOUNCER: Welcome to THIS IS AMERICA in VOA Special English. I'm F

发表于:2019-01-04 / 阅读(80) / 评论(0)

This is America

Quixotic Fusion:与光共舞

Quixotic Fusion是一个集合空中杂技、舞蹈、戏剧、电影、音乐、视觉效果的艺术家团体。在TED2012大会上，他们带来了三段动人的舞蹈演出

发表于:2019-01-05 / 阅读(49) / 评论(0)

TED公开课:艺术与幻觉

VOA标准英语2010年-New Drug-Free Treatment Good for Heart

Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h

发表于:2019-01-13 / 阅读(43) / 评论(0)

VOA标准英语2010年(二月)

VOA标准英语2011--Sustained Irregular Heartbeat Raises Mor

Sustained Irregular Heartbeat Raises Mortality Risk for Middle Aged Women Many doctors see atrial fibrillation (AF), an abnormal heart rhythm, in their elderly patients. But a new study indicates that a surprising number of middle aged women, who are

发表于:2019-01-14 / 阅读(61) / 评论(0)

VOA标准英语2011年(六月)

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This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

发表于:2019-01-31 / 阅读(94) / 评论(0)

2010年慢速英语(二)月

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appellate jurisdiction

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asymptotic behavio(u)r

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