—— 请按键盘 空白键 开始游戏 ——

Food security is the cornerstone of national security.
翻译:尺蠖弯曲身体是为了前进,龙蛇蛰伏是为了保存自己。
The study of mathematics is a journey into the unknown, where each discovery opens the door to new mysteries.
The world is full of broken people.