معنی کلمه : invalidation
English
The act of inavlidating, or the state of being invalidated.
A large voracious fresh-water fish (Serrasalmo piraya) of South America, having lancet-shaped teeth.

The act of inavlidating, or the state of being invalidated.
A large voracious fresh-water fish (Serrasalmo piraya) of South America, having lancet-shaped teeth.