—— 请按键盘 空白键 开始游戏 ——

The Black Eyed Peas is a movement, not just a group.
Innovation is the only way to break through the bottleneck.
The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.
当真相还在穿鞋的时候,谎言已经跑遍了半个世界。
介导疼痛的分子非常古老,揭示了这种感觉在进化中的深远根源。