field of operation

英 [fiːld ɒv ˌɒpəˈreɪʃn]

美 [fiːld əv ˌɑːpəˈreɪʃn]

网络  手术野

医学

英英释义

noun

• a particular kind of commercial enterprise
  1. they are outstanding in their field
  Synonym:fieldline of business

双语例句