emergency room
noun uk/ɪˈmɜː.dʒən.si ˌruːm/ us/ɪˈmɝː.dʒən.si ˌruːm/ (abbreviation ER); (UK A & E, casualty)
急诊室，急救室
the part of a hospital where people go when they are ill or injured and need treatment quickly
She had to be rushed to the emergency room. 她不得不被紧急送往急救室。