used to refer to the state of being invisible or non-existent.

listen to the pronunciation of used to refer to the state of being invisible or non-existent.
Английский Язык - Английский Язык

Определение used to refer to the state of being invisible or non-existent. в Английский Язык Английский Язык словарь

Used to refer to the state of being invisible or non-existent.
thin air