seeing and hearing (especially pertaining to teaching aids that make use of both sight and sound)
AV
Meaning of AV in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012
seeing and hearing (especially pertaining to teaching aids that make use of both sight and sound)
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012