—— 请按键盘 空白键 开始游戏 ——

The value of a psychological concept is in its life application.
谷物种植既是一门艺术也是一门科学——既需要直觉也需要数据。
The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.
I think that everything is possible if you put your mind to it.
The personality of the teacher is the cornerstone of education.
科学中最激动人心的短语,预示着新发现的不是“我找到了!”而是“这有点奇怪……”