原材料引用(Materials) The condition is called cardiac arrest 信息与事实(Facts) /ʃ/...
原材料引用(Materials) 全文(略) 信息与事实(Facts) 无 感受与评价(Comments) 今日主要做的事情:根据之前查的音标,...
原材料引用(Materials) Twenty-two percent survived with good brain ability. On...
原材料引用(Materials) This is the VOA Special English Health Report. Cardiopu...
原材料引用(Materials) It said people should increase the number of chest pres...
原材料引用(Materials) CPR combines breathing into the victim's mouth and repe...
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 lives. Studies show that many p...
原材料引用(Materials) 无 信息和事实(Facts) 对比音标: n r ,舌位相同,舌尖卷起,靠近上齿龈,舌两侧贴住上齿龈两侧,n从...