—— 请按键盘 空白键 开始游戏 ——

Experiments on plant hybridization require the most careful attention and great patience.
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
你将学到的最伟大的事情就是去爱,并被爱作为回报。
Exploring the unknown is an eternal pursuit of humanity.