—— 请按键盘 空白键 开始游戏 ——

海洋是我们最伟大的资源,但它需要尊重和可持续的实践。
We must balance the need for energy with the responsibility to protect our planet.
Parental investment is the key to understanding sex differences in mating strategies.
一个人对于死亡的恐惧程度与其财富的增长程度成正比。