—— 请按键盘 空白键 开始游戏 ——

The only way to improve is to challenge yourself against the best.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
我不考虑年龄。那些告诉我我太老了不能做某事的人,我只是忽略他们。
赢得奖牌并不是奥运会的重点。重要的是参与。