The ~ is a practice in which a couple try to prevent pregnancy by having sex only at times when the woman is not likely to become pregnant.
N-SING: usu the N
The ~ is a practice in which a couple try to prevent pregnancy by having sex only at times when the woman is not likely to become pregnant.
N-SING: usu the N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012