流动人口的英文翻译是（ ）
A、patient-doctor relation
B、migrant population
C、violence against medical staff
D、improve health care services
【正确答案】：B
【题目解析】：流动人口的英文翻译是 migrant population医患关系 patient-doctor relation
医暴 violence against medical staff
改善医疗服务 improve health care services
