(~s)
Barrier methods of contraception involve the use of condoms, diaphragms, or other devices that physically prevent the sperm from reaching the egg.
N-COUNT: usu pl
(~s)
Barrier methods of contraception involve the use of condoms, diaphragms, or other devices that physically prevent the sperm from reaching the egg.
N-COUNT: usu pl
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012