—— 请按键盘 空白键 开始游戏 ——

That which does not kill us makes us stronger.
我不是环境的产物,我是自己选择的产物。
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.
孩子需要先感受到被理解,才能改变他们的行为。