单词：cardiac valvular chondrification
单词：cardiac valvular chondrification 相关文章
This is the VOA Special English Health Report. Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without li
VOA慢速英语2007年（三）月
You're in the supermarket, and a man collapses. He's gasping. It's CPR time. But wait, was it 20 compressions, two breaths, or 15 to every one breath? Can't remember? Well you may not have to. Because theres hands-only CPRpressing the chest fast and
Scientific American(十)月
By Carol Pearson Washington 25 July 2007 You may have heard about young athletes, still teenagers, whose hearts stop beating, sometimes while playing sports. In many of these cases, their parents and doctors find out after the fact that these young a
2007年VOA标准英语（七月）
You can't take it with you The Egyptians tried it, and all they got was robbed. 你不可能把它们一起带走埃及人试过 带走的后来都被盗了 So, the question is, what are you going to do with what you have? I'm not talking how much yo
公众人物毕业演讲
Grammar Girl here. Today's topic is verbification. Last week police used a Taser on University of Florida student Andrew Meyer as they struggled to remove him from an auditorium where Senator John Kerry was speaking. The Web has been filled with deba
英语语法 Grammar Girl
Findings convince them children throughout the state should be screened Carol Pearson | Washington, DC 11 December 2009 Some doctors in Texas believe that all children, athletes or not, should be screened before playing sports In the U.S. there is a
VOA标准英语2009年(十二月)