—— 请按键盘 空白键 开始游戏 ——

广义相对论已经通过了我们所有的测试,甚至在超大质量黑洞附近也是如此。
There was another life that I might have had, but I am having this one.
Sustainability isn't just about planting trees—it's about planting the right trees in the right places for the right reasons.
井水越是甘甜,就越容易枯竭;树木越是高大,就越容易被砍伐。
食品行业对后代负有责任——我们今天所做的一切塑造了他们的明天。