( jet engines)
A jet engine is an engine in which hot air and gases are forced out at the back. Jet engines are used for most modern aircraft.
N-COUNT
( jet engines)
A jet engine is an engine in which hot air and gases are forced out at the back. Jet engines are used for most modern aircraft.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006