—— 请按键盘 空白键 开始游戏 ——

轧棉机的发明是需求和观察的结果。
The invention of the cotton gin was the result of necessity and observation.
Sustainability isn't a choice—it's a responsibility we owe to the next generation.
Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.
我们对现实的感知是由我们的期望和过去的经验塑造的。
The connection between animal health and human health is undeniable and must be a priority in our work.