Interpretation of audio-visual education The use of recording, broadcasting, television, slides, movies and other electrical equipment for education. The explanation of the word decomposition Electricity is a physical phenomenon, which is an energy that can be obtained by chemical or physical methods, and is used to make lamps shine, mechanically rotate and so on. : electricity. Electric energy. Electric heating. Radio station. On rainy days, the light emitted by clouds in the sky when they discharge: lightning. Lightning. Telegraph: power on. Congratulations. Send a telegram: invite the explanation and teaching inspiration of education, persuade the education to explain in detail, and educate and cultivate; Teaching. Mencius devoted himself to: "It's fun to be educated by talented people in the world." The Scholars of the Ming Dynasty, Volume I: "Today, I build learning to promote goodness, to respect the trip of scholar-officials, and to make tanning more harmful, and to do my best as a scholar."