—— 请按键盘 空白键 开始游戏 ——

As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
正如几何学最自然的起点是数学点,在观察和自然历史中采用同样的方法也最真实、简单且富有教益。
Every tree planted today is a legacy for future generations.
The choices women make in their careers are often constrained by societal expectations and institutional barriers.
像所有的成人一样,幼儿也有他独立的人格。
成功不仅仅以利润来衡量,还以我们创造的积极影响来衡量。
The greatest stories are those that leave room for silence.