—— 请按键盘 空白键 开始游戏 ——

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.
什么人背后不被人说,又有谁在别人面前不去议论人呢?
世界在变化,我们必须随之改变。
强大的团队是任何成功公司的基础。