—— 请按键盘 空白键 开始游戏 ——

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
When you open paint, even a tiny bit, it will always find its way to your clothes no matter how careful you are. Dress accordingly.
The mining industry has a responsibility to operate sustainably and ethically.
"We live in a world where the past is always present, and the future is always uncertain."
每一条帖子背后都是一个有真实感受的真实的人——我们不要忘记这一点。