发简信
IP属地：湖南
原材料引用（Material）: Theheartstopspumpingblood.Thepersonstopsbreathing. ðə h...
原材料引用（Material）: The condition is called cardiac arrest. ðə kənˈdɪʃən ə...
原材料引用（Material）: Cardiopulmonary resuscitation, or CPR, can save the l...
原材料引用（Material）: This is the VOA Special English Health Report. ðɪs ɪ...