—— 请按键盘 空白键 开始游戏 ——

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.
我们都是自己的幽灵,徘徊在我们曾经生活过的地方。
Every chemical process we develop must pass three tests: Is it safe? Is it sustainable? Is it scalable?
每个产品在设计时都应考虑到它的下一次生命。