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demonstrator    音标拼音: [d'ɛmənstr,etɚ]
n. 论证者,证明者,指示者,示威者

论证者,证明者,指示者,示威者

demonstrator
n 1: a teacher or teacher's assistant who demonstrates the
principles that are being taught
2: someone who demonstrates an article to a prospective buyer
[synonym: {demonstrator}, {sales demonstrator}]
3: someone who participates in a public display of group feeling
[synonym: {demonstrator}, {protester}]

Demonstrator \Dem"on*stra`tor\ (?; 277), n. [L.: cf. F.
d['e]monstrateur.]
1. One who demonstrates; specif.
(a) one who proves anything with certainty, or establishes
it by indubitable evidence.
(b) one who shows how a certain device operates or a
procedure is performed.
[1913 Webster]

2. (Anat.) A teacher of practical anatomy.
[1913 Webster]

3. a person who participates in a demonstration[7].
[PJC]


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  • DEMONSTRATOR Definition Meaning - Merriam-Webster
    The meaning of DEMONSTRATOR is one that demonstrates How to use demonstrator in a sentence
  • DEMONSTRATOR | English meaning - Cambridge Dictionary
    DEMONSTRATOR definition: 1 a person who explains how something works or how to do something: 2 a person who marches or… Learn more
  • Demonstrator Definition Meaning | Britannica Dictionary
    DEMONSTRATOR meaning: 1 : a person who is part of an event in which people gather together in order to show that they support or oppose something or someone a person who participates in a demonstration; 2 : a person who shows other people how something is used or done
  • Demonstrator - definition of demonstrator by The Free Dictionary
    1 a person or thing that demonstrates 2 a person who takes part in a public demonstration, as by marching or picketing 3 a person who explains or teaches by practical demonstrations 4 a person who exhibits the use and application of (a product) to a prospective customer
  • demonstrator - Wiktionary, the free dictionary
    demonstrator (plural demonstrators) One who demonstrates anything, or proves beyond doubt The forefinger One who takes part in a demonstration; a protester One who demonstrates products in a retail environment; a merchandiser An item, particularly a vehicle, used in demonstrations to a customer or user
  • demonstrator noun - Definition, pictures, pronunciation and usage notes . . .
    Definition of demonstrator noun in Oxford Advanced American Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more
  • Demonstrator Definition Meaning - YourDictionary
    Demonstrator definition: One that demonstrates, such as a participant in a public display of opinion
  • DEMONSTRATOR Definition Meaning - Dictionary. com
    a person or thing that demonstrates Also a person who takes part in a public demonstration, as by marching or picketing a person who explains orteaches by practical demonstrations a person who exhibits the use and application of (a product, service, etc ) to a prospective customer
  • Demonstrator - Wikipedia
    A demonstrator may be: A person performing a demonstration, such as to explain science or technology; A person demonstrating a product for sale live or in an infomercial; An attendee at a political rally; An academic rank
  • DEMONSTRATOR definition and meaning | Collins English Dictionary
    Demonstrators are people who are marching or gathering somewhere to show their opposition to something or their support for something I saw the police using tear gas to try and break up a crowd of demonstrators A demonstrator is a person who shows people how something works or how to do something





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