单词：amniocardiac vesicle
单词：amniocardiac vesicle 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
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
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
Serbia is seeking the International Court of Justice's (ICJ) opinion on the legality of Kosovo's independence and says it will abide by its decision. Kosovo unilaterally declared its independence from Serbia in February, but Belgrade has refused to
VOA标准英语2008年（八月）
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）
An Ingenious Love Letter 一封绝妙的情书 There once lived a lad who was deeply in love with a girl， but disliked by the girls father， who didnt want to see any further development of their love． The lad was eager to write to the girl， y
阅读空间