—— 请按键盘 空白键 开始游戏 ——

最坚强的人是那些经历过最多但仍然选择去爱的人。
The strongest people are those who have been through the most but still choose to love.
Sustainability is not an option; it's a necessity for the survival of our oceans and our planet.
Topology is the study of the properties of a figure that are unchanged by any deformation.