—— 请按键盘 空白键 开始游戏 ——

We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
每一个犯罪的根源,都是理解上的某种缺陷;或推理中的某种错误;或激情的某种突然力量。
Kindness is a language which the deaf can hear and the blind can see.
不要为未来担忧,不要为过去哭泣。