本文介绍了兴奋的英文及常用表达方式，同时提供了一些例句来帮助读者更好地理解和运用这些表达方式。
定义：
兴奋是指情感上的高度激动和兴致勃勃的状态，通常与愉悦、热情和激动等情绪相联系。
常用表达：
- Be excited about sth: 对某事感到兴奋
- Get excited: 兴奋起来
- Thrilled: 非常兴奋
- Ecstatic: 狂喜的，欣喜若狂的
- Over the moon: 欣喜若狂，非常高兴
- Jump for joy: 欢天喜地，高兴得跳起来
例句：
- I'm so excited about my upcoming trip to Europe.
- She got excited when she heard the news.
- The children were thrilled to see the circus.
- He was ecstatic when he heard that he got the job.
- She was over the moon when she found out that she won the competition.
- When he found out he had passed the exam, he jumped for joy.
总结：
兴奋是一种积极向上的情绪状态，我们可以使用多种表达方式来描述和表达这种情绪。掌握这些表达方式可以帮助我们更准确地表达自己的情感，同时也能够更好地理解别人的情感表达。