—— 请按键盘 空白键 开始游戏 ——

不要害怕犯错,但要快速从中学习。
Don't be afraid to make mistakes, but learn from them quickly.
The language of mathematics is universal, transcending cultural and linguistic barriers.
A quarry is more than a pit—it's a legacy we leave for future generations.
幸福不是一种权利;它是一种罕见而珍贵的例外。
The soil remembers what we forget: respect it, and it will repay generations.