—— 请按键盘 空白键 开始游戏 ——

海洋不仅是一种资源,更是一种责任。我们必须为子孙后代明智地管理它。
Mathematics is a living subject, constantly evolving and growing.
Have you given any thought to your future?
The horror of the Twentieth Century was the size of each new event, and the paucity of its reverberation.
你拥有的最强武器是你的头脑。好好训练它。