—— 请按键盘 空白键 开始游戏 ——

The discovery of DNA structure was like unraveling a very complex puzzle.
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.
I can’t play bridge. I don’t play tennis. All those things that people learn, and I admire, there hasn’t seemed time for. But what there is time for is looking out the window.
过去总是紧张的,未来是完美的。