The only time I'm happy is when I'm on stage.

The discovery of the genetic code has provided a foundation for understanding heredity and the molecular mechanisms of disease.

Science is not just about facts; it’s about the stories behind them.

译文：月亮过了十五后，就逐渐不明亮了，人到了中年之后，做什么事都难以有大作为。赏析：青少年是人生最美好的时期，这个时期精力最旺盛，记忆力最强，也是人生最该努力奋斗的时候。