She felt exhilarated when she saw the sunrise at the mountain top.

exhilarated 是动词 exhilarate 的过去分词形式，exhilarate 由前缀 ex-（表示"向外"）和拉丁词根 hilarare（使高兴）组成，意思是"使兴奋、使振奋"。exhilarated 表示"感到极度兴奋和充满活力的"。