孩子4岁左右,经常把手放进裤兜玩儿自己的“小鸡鸡”,道理也讲过了,打也打过了,可是总是管不住孩子。一方面担心孩子手上的细菌容易造成孩子的健康隐患,另一方面确实觉得这个动作太不...
孩子4岁左右,经常把手放进裤兜玩儿自己的“小鸡鸡”,道理也讲过了,打也打过了,可是总是管不住孩子。一方面担心孩子手上的细菌容易造成孩子的健康隐患,另一方面确实觉得这个动作太不...
原材料引用(Materials) CPR keeps blood and oxygen flowing to the heart and brain. [si-pi-ɑr] ...
原材料引用(Materials) This is the VOA Special English Health Report. [ðɪs] [ɪz] [ðə] [vi-oʊ-...
原材料引用(Materials) CPR combines breathing into the victim's mouth and repeated presses on...
原材料引用(Materials) Without lifesaving measures, the brain starts to die within four to si...
原材料引用(Materials) The heart stops pumping blood, the person stops breathing. [ðə] [hɑrt]...
原材料引用(Materials) The condition is called cardiac arrest. [ðə] [kənˈdɪʃən] [ɪz] [kɔld] [...
原材料引用(Materials) Cardiopulmonary resuscitation, or CPR, can save the life of someone wh...
原材料引用(Materials) This is the VOA Special English Health Report. 信息与事实(Facts) 今天学习了四个音标,...