—— 请按键盘 空白键 开始游戏 ——

一本书应该像一场冒险,即使它只是关于在家的一天。
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
每个发现都会引发新的问题。
The beauty of life lies in its unpredictability.