—— 请按键盘 空白键 开始游戏 ——

解释:乌鸦聚集在一起,虽然看上去很和好,实际上并不亲密;不慎重地结交朋友,虽似牢固,终必破裂。
A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.
词语就像钥匙,选对了就能打开任何一扇门。
物理学和数学之间的界限并不像我们想象的那么清晰。
The difference between ordinary and extraordinary is that little extra.