unforgettable/ˌʌn.fɚˈɡet̬.ə.bəl/形容词难忘的;无法忘记的The trip to Paris was unforgettable - the sight of the Eiffel Tower sparkling at night left a lasting impression on me.去巴黎的旅行令人难忘 - 在夜晚看到埃菲尔铁塔闪闪发光给我留下了深刻的印象。想跟读,去练习