激动是发自你的内心的表达，亢:过甚,极...可组成词语亢奋兴:旺盛,兴奋意思为"精神振作或激动"我个人意见是,亢奋重在表现一个人的精神状态特别特别...特别好!兴奋则是重在表示一种特别愉悦很高兴很高兴...很高兴的心情...

激动： 1. excited, including the mood of being happy and moved. when u win a prize, award, u are 激动的 2. nervous. when u see your dream lover, u are too 激动 to speak out. 兴奋：if u are 兴奋，u are too energetic to sleep, stop walking or dancing, maybe because u are too happy or excited, or a result of some drug. for instance, 兴奋剂 is a kind of drug which lead to 兴奋。 亢奋 is a derogatory term, it is over 兴奋，may be some kind of disease. it may also be the result of drug.