excitement：n.激动；兴奋；刺激；令人激动(或兴奋)的事；
exciting：adj.令人激动的；使人兴奋的；v.使激动；使兴奋
The announcement sent a ripple of excitement through the crowd.
这件事一宣布就在人群里引起了一阵兴奋。
His face was bright with excitement.
他兴奋得满脸放光。
Children were running around squealing with excitement.
孩子们跑来跑去，兴奋地尖叫着。
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