(~s)
An ~ is an instrument in an aircraft that shows the height of the aircraft above the ground.
N-COUNT
(~s)
An ~ is an instrument in an aircraft that shows the height of the aircraft above the ground.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012