"音高聽辨"--簡單的介面，簡單的操作
一次七題音高練習，輕易的就有過關的成就感
在任何的小時刻都可以使用，讓你在忙碌的同時有高雅的樂趣！
Simple interface, simple operation
First seven questions pitch exercises, easily cross the border there is a sense of accomplishment
In any of the small moments can be used, so you busy while elegant fun!