—— 请按键盘 空白键 开始游戏 ——

在我们向低碳未来过渡的过程中,煤炭行业在提供经济可靠的能源方面发挥着关键作用。
The interplay between topology and quantum mechanics is a rich field of study that continues to surprise us with its depth and complexity.
要得到饼干,就得冒险。
The fundamental law of the militia is, that it be created, directed and commanded by the laws, and ever for the support of the laws.