原材料引用(Materials) 全文 信息与事实(Facts) 无 感受与评价(Comments) 1、跟着录音读，体会升降调，体会停顿，2、...

原材料引用(Materials) 全文 信息与事实(Facts) 无 感受与评价(Comments) 早起听直播和过后听录播效果不一样，仪式感让...

原材料引用(Materials) The American Heart Association says about ninety-five p...

原材料引用(Materials) Doctor Ewy thinks the CPR guidelines should be changed ...

原材料引用(Materials) He says this would save liveshi sɛz ðɪs wʊd seɪv lɪv...

原材料引用(Materials) The American Heart Association changed its guidelines f...

原材料引用(Materials) Twenty-two percent survived with good brain ability.ˈtw...

原材料引用(Materials) The researchers say any of kind of CPR improved chances...

原材料引用(Materials) 712 received CPR, 439 received chest presses only.ˈsɛvə...