hospitalization
noun [ U ] (UK hospitalisation) uk/hɒs.pɪ.təl.aɪˈzeɪ.ʃən/ us/ˈhɑː.spɪ.t̬əl.əˈzeɪ.ʃən/
medical specialized送…住院治疗
the act of taking someone to hospital and keeping them there for treatment
Because of the severity of the accident, the patient required hospitalization. 因为事故严重，病人须留院治疗。