永远

forever; always; ever; eternally; perpetually; permanently; evermore; eternal; timeless; everlasting; undying; perpetual; immortal; ageless; for good; for keeps; in perpetuity; for all time; from everlasting to everlasting; eternity; perpetuity

回忆

memory; recall; recollection; reminiscence; remembrance; retrospection; sensation; remember; recollect; reminisce; recapture; look back on; look back upon; think back to; carry back to; hark back to; back