(~s)
A ~ is an instrument that receives radio waves from space and finds the position of stars and other objects in space.
N-COUNT
(~s)
A ~ is an instrument that receives radio waves from space and finds the position of stars and other objects in space.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012