有很多表示感觉的词都是这样的结构,如果是-ed,则是自己感觉,如果是-ing,则是使你觉得…的东西或是人,
例如：tired.I feel very tired.我感到很累
The sports are tiring.这运动让我感到很累.
excited She is excited about her new bike.她因她的新自行车而感到兴奋.
exciting The news of holding a sports meeting is quite excting.举办一场运动会的消息真让人兴奋.