(~s)
Sonar is equipment on a ship which can calculate the depth of the sea or the position of an underwater object using sound waves.
N-VAR
(~s)
Sonar is equipment on a ship which can calculate the depth of the sea or the position of an underwater object using sound waves.
N-VAR
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012