demonstration

• n.
  • a show or display; the act of presenting something to sight or view

    "he gave the customer a demonstration"

    同义词： presentation presentment

  • a show of military force or preparedness

    "he confused the enemy with feints and demonstrations"

  • a public display of group feelings (usually of a political nature)

    "there were violent demonstrations against the war"

    同义词： manifestation

  • proof by a process of argument or a series of proposition proving an asserted conclusion

    同义词： monstrance

  • a visual presentation showing how something works

    "the lecture was accompanied by dramatic demonstrations"; "the lecturer shot off a pistol as a demonstration of the startle response"

    同义词： demo

以上来源于: WordNet