—— 请按键盘 空白键 开始游戏 ——

适应变化而非抗拒变化,才能建立韧性。
The heart has its reasons, which reason does not know.
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
Teaching is not about imparting everything, but about guiding at the right moment.
枕上读书,闲适最好;门前风景,雨中更佳