单词：aortic second heart sound
单词：aortic second heart sound 相关文章
Unit 42 Answer to the Mystery of Life Is Four Scientists have found a simple mathematical relationship that connects the whole nature, from the tiniest cell to the vast forest of the Amazon. The connections are all based on the three dimensions of th
英语流行话题阅读：语境识词4500
音乐咖啡厅:Westlife - Sound of a Broken Heart 相关介绍：有七张英国冠军专辑与14首冠军单曲的西城男孩让歌迷苦等两年，终於发行出道十年的第九张专辑《爱就在这里》，就在宣传正如火如荼展开时
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本期内容： Arnold Schwarzenegger has undergone heart surgery in Los Angeles. The Austrian-American film star and former California governor, 70, had a scheduled procedure to replace a valve at Cedars-Sinai hospital on Thursday. The device was in
夏说英语新闻晨读
1. A dozen private boats have taken over in the search off the Florida coast for any sign of two missing NFL players and a friend. The Coast Guard called off its search for the men. But crews gathered Wednesday to retrieve their overturned fishing b
美联社新闻一分钟2009年(三)月
1. Secretary of State Hillary Rodham Clinton says President Barack Obama will head to Turkey in the next month or so to discuss plans to withdraw troops from Iraq. The trip to the Muslim nation would be one of the first foreign visits in Obama's pre
美联社新闻一分钟2009年(三)月
University of Washington doctors are seen here doing heart surgeries using catheters. These long tubes reaching into the heart allow doctors to perform non-invasive heart surgery. Doctor Mark Reisman is better at it now when he gets to practice by us
VOA标准英语2019年(二月)