—— 请按键盘 空白键 开始游戏 ——

The interplay between light and matter at attosecond timescales reveals a universe far more dynamic than we ever imagined.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
解释:依据自己的能力去做事,把握最佳时机采取行动。
Challenges are what make us grow; embrace them.
Sometimes you may feel like you’re not good enough, but you are.
我们讲述的故事塑造了我们生活的世界。