???????????? (n.) She gave us a demonstration of the machine to show us how it worked. ????????????????????????????????????????????????????????? Our showrooms, situated in the business center, offer admirable facilities for display and demonstration. ?????????????????????????????????????????????????????????????????????????????????????????????????????? The professor will give a demonstration in class. ????????????????????????????????? His demonstration of anger is shown by way of long time silence. ???????????????????????????????????????????????? "What a wonderful demonstration!"she exclaimed. ?????????????????????????????????????????????????????? The police were present at the demonstration in (full) force. ????????????????????????????????????????????????????????? The police said over 100,000 people had taken part in the demonstration. ????????????????????????????????????????????????