Audiovisual aid
volume
British pronunciation/ˈɔːdɪˌəʊvɪʒˌuːəl ˈeɪd/
American pronunciation/ˈɔːdɪˌoʊvɪʒˌuːəl ˈeɪd/

"audiovisual aid"의 정의 및 의미

Audiovisual aid
01

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