The ~ was a period of time lasting many thousands of years, during which a lot of the earth’s surface was covered with ice.
N-PROPER: the N
The ~ was a period of time lasting many thousands of years, during which a lot of the earth’s surface was covered with ice.
N-PROPER: the N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012