internship  
noun [ C ] US uk/ˈɪn.tɜːn.ʃɪp/ us/ˈɪn.tɝːn.ʃɪp/
  (IN A HOSPITAL)      
  医生实习期
a period of training spent in a hospital by a young doctor in order to finish their medical qualification
  He served his internship at Garfield Hospital. 他在加菲尔德医院度过了实习期。 
   (IN A COMPANY)      
 实习期
a period of time during which someone works for a company or organization in order to get experience of a particular type of work
  Jane has a summer internship at a local TV station. 简暑期在当地一家电视台实习。