s. unhappy about being away and longing for familiar things or persons
a. 乡愁的, 怀旧的
[医] 怀乡病的
1. Listening to old songs makes me feel nostalgic.
听老歌让我感到怀旧。
2. She looked at her childhood photos and felt a nostalgic longing for the past.
她看着童年照片,对过去感到一阵怀旧的渴望。
3. The movie was nostalgic, reminding me of my summer vacations as a kid.
这部电影充满怀旧,让我想起了童年时的暑假。