—— 请按键盘 空白键 开始游戏 ——

The art of reading is in great part that of acquiring a better understanding of life from one's encounter with it in a book.
Words were not given to man in order to conceal his thoughts.
我不是榜样。我只是一个说唱的人。
RNA干扰是一个迷人的过程,它为理解基因调控开辟了新的途径,并具有潜在的治疗应用。