世界级畅销书：<深夜小狗神秘习题>很好看的书，强烈推荐。-World-class best-selling book: <MIDNIGHT puppy mysterious Exercises> good look of the book, strongly recommend.

这是一个较简单的播放器，可以播放多种格式的音频，比较适合在音像开发的初学者练习使用。-This is a simple player that can play multiple formats of audio, more suitable for development in the audio-visual exercises for beginners to use.