—— 请按键盘 空白键 开始游戏 ——

世界是黑暗的,而光弥足珍贵。
生活中最大的荣耀不在于从不跌倒,而在于每次跌倒后都能站起来。
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
成为诗人意味着在他人沉睡时保持清醒。