Downloadable software in the nature of a mobile application for providing artificial intelligence dialogue practice in different scenarios; Play back the recording for pronunciation comparison; Chinese character assisted pronunciation learning; Chinese characters in the dialogue are automatically marked with pinyin; Support handwritten content for practice; Provide Chinese word book; Computer programs, recorded, for providing artificial intelligence dialogue practice in different scenarios; Play back the recording for pronunciation comparison; Chinese character assisted pronunciation learning; Chinese characters in the dialogue are automatically marked with pinyin; Support handwritten content for practice; Provide Chinese word book; Downloadable computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images, and moving pictures; Downloadable computer programs for providing artificial intelligence dialogue practice in different scenarios; Play back the recording for pronunciation comparison; Chinese character assisted pronunciation learning; Chinese characters in the dialogue are automatically marked with pinyin; Support handwritten content for practice; Provide Chinese word book; Downloadable pattern recognition software for providing artificial intelligence dialogue practice in different scenarios; Play back the recording for pronunciation comparison; Chinese character assisted pronunciation learning; Chinese characters in the dialogue are automatically marked with pinyin; Support handwritten content for practice; Provide Chinese word book; Downloadable software for optical character recognition