右室漏斗部狭窄

Mardi Gras is French for Fat Tuesday. It is the name of a celebration that takes place on the day before Ash Wednesday, which marks the beginning of the 40-day period of Lent. Mardi Gras is the final day of a three-day period, which starts on the Sun

发表于:2018-12-04 / 阅读(54) / 评论(0) 分类 英语课程学习计划和讲义

Are You Sure Your Hearts In The Right Place?你能确定自己的心脏是在正确的位置上么? On todays Moment of Science, were sure your hearts in the right place. But where is it exactly?!? CPR classes show how to press on the sternum, in t

发表于:2018-12-28 / 阅读(75) / 评论(0) 分类 初学者听力文摘精选

This is the VOA Special English Health Report. Rachel Valltos and Evan Sapperstein are dentists who share an office and a life together. In nine years of marriage, they have built not just a successful dental practice, but also a family. Rachel and E

发表于:2019-01-12 / 阅读(49) / 评论(0) 分类 2010年VOA慢速英语(十)月

-Mardi Gras is a traditional holiday celebrated in many of the southern states of the USA. The most famous celebration takes place in New Orleans, Louisiana. The people there enjoy this celebration by going to parades where they catch beads, doubloon

发表于:2019-01-16 / 阅读(47) / 评论(0) 分类 阅读空间

By Michael Bowman Washington 25 November 2007 Majority Democrats in the U.S. Congress continue to press for time-specific goals for withdrawing American military personnel from Iraq, despite reports that a surge in U.S. forces appears to have contrib

发表于:2019-01-31 / 阅读(34) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Margaret Besheer Irbil, Iraq 19 July 2006 Turkey's prime minister says his military is moving forward in drafting plans for sending forces into northern Iraq to clear out Kurdish rebel bases, but added that officials are also holding talks with t

发表于:2019-02-04 / 阅读(85) / 评论(0) 分类 2006年VOA标准英语(七月)