(phenomena)
A ~ is something that is observed to happen or exist. (FORMAL)
...scientific explanations of natural phenomena...
N-COUNT
(phenomena)
A ~ is something that is observed to happen or exist. (FORMAL)
...scientific explanations of natural phenomena...
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012