School teaching is the work done by teachers in a school. (FORMAL)
He returned to ~.
= teaching
N-UNCOUNT
School teaching is the work done by teachers in a school. (FORMAL)
He returned to ~.
= teaching
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012