悠长的

例句：

1. 1. The rain has been prolonging our trip.
   雨一直耽误了我们的行程。
2. 2. She extended her invitation to include everyone in the party.
   她扩大了她的邀请，包括所有人参加聚会。
3. 3. The project was prolonged due to unexpected delays.
   由于意外的延误，项目被延长了。