( double agents)
A double agent is someone who works as a spy for a particular country or organization, but who also works for its enemies.
N-COUNT
( double agents)
A double agent is someone who works as a spy for a particular country or organization, but who also works for its enemies.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006