15秒一个单词（第2379个）nostalgia

nostalgia /n??st?ld??/ n. 对已往优美光阴的留恋，复古之情:

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例句/词组:

He looked back on his university days with a certain amount of nostalgia.
他有些留恋地追念起大学光阴。

英语表明：

a feeling that a time in the past was good, or the activity of remembering a good time in the past and wishing that things had not changed
对已往优美光阴的留恋，复古之情: