—— 请按键盘 空白键 开始游戏 ——

物理学的美丽在于它能够用简单的原理解释复杂的事物。
在制造业中,精确就是一切,但适应能力才能让你保持领先。
The heart is a fragile thing, but it is also the source of our greatest strength.
We are all in the gutter, but some of us are looking at the stars.
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.