原材料引用: However ,a new Japanese study questions the usefulness of mouth-to-mouth breathi...
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原材料引用: However ,a new Japanese study questions the usefulness of mouth-to-mouth breathi...
原材料引用: CPR keeps blood and oxygen flowing to the heart and brain. 信息与事实: 腹部呼吸训练方法:可以英语发...
原材料引用: Without lifesaving measures, the brain starts to die within four to six minutes....
原材料引用: The heart stops pumping blood .The person stops breathing. 信息与事实: [ŋ]发音要点: 舌后部抬起...
原材料引用: Cardio-Pulmonary Resuscitation or CPR can save the life of someone whose heart h...
原材料引用: The Candition is called cardiac arrest. 信息与事实: /ʃ/、/ʒ/、/k/ /ʃ/ 发音要点:嘴撅开,漏出牙,不要挡住...