Anthracite is a type of very hard coal which burns slowly, producing a lot of heat and very little smoke.
N-UNCOUNT
Anthracite is a type of very hard coal which burns slowly, producing a lot of heat and very little smoke.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012