Doctors in Tokyo led the research.It examined more than four thousand pe...

第二周结束了。 上周没怎么早起，都是听的录音。原因就是白天总无所事事，到了晚上就忙碌起来，而且越晚越精神，第二天根本起不来。偶尔听到了闹钟，上了...

The study was published in the British medical magazine, The Lancet. ðə ...

However, a new Japanese study questions the usefulness of mouth-to-mouth...

CPR keeps blood and oxygen flowing to the heart and brain. si-pi-ɑr kips...

CPR combines breathing into the victim's mouth and repeated presses on t...

今天星期六没有早课和任务，主要做了以下两件事情 ： 1）早起听新概念组长分享使用新概念学英语的经验。 在新二小组练习朗读半年多，水平只是大致能看...

Without lifesaving measures, the brain starts to die within four to six ...

The heart stops pumping blood. The person stops breathing. ðə hɑrt stɑps...