Something that is ~ is like resin or contains resin.
Propolis is a hard ~ substance made by bees from the juices of plants.
ADJ
Something that is ~ is like resin or contains resin.
Propolis is a hard ~ substance made by bees from the juices of plants.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012