Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ~ light is harmful.
The sun’s ~ rays are responsible for both tanning and burning.
ADJ: usu ADJ n
Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ~ light is harmful.
The sun’s ~ rays are responsible for both tanning and burning.
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012