Some may also request a license or certification, such as basic life support or cardiopulmonary resuscitation.
有些人还可能要求许可证或认证，例如基本生命支持或心肺复苏。
英语百科
Basic life support
Basic life support (BLS) is a level of medical care which is used for victims of life-threatening illnesses or injuries until they can be given full medical care at a hospital. It can be provided by trained medical personnel, including emergency medical technicians, paramedics, and by qualified bystanders.