图形界面各个按钮如“橡皮”、“铅笔”、“A”、“直线”等的实现。
The graphical interface includes the buttons such as "rubber", "pencil", "a", "straight line", etc.
书包的边上有一个文具格，你一按按钮，就会弹出一支万能笔来，这支万能笔能写出各种颜色的字，还有橡皮，格尺，圆规…总之，它拥有所有文具的功能，你有了它就不用带一大堆的文具了。
The bag on the edge of a stationery case, you press the button, it will pop up a omnipotent pen, the omnipotent pen can write various color words, erasers, rulers, compasses …
应用推荐