First Aid
It is important for you to learn some knowledge about first aid in your daily life.If a person has an accident,he needs medical care before a doctor can be found..
英语作文 人工呼吸急求一篇关于人工呼吸的正确方法的英语作文,100词左右,希望尽量用简单的词句
First Aid
It is important for you to learn some knowledge about first aid in your daily life.If a person has an accident,he needs medical care before a doctor can be found..