The drowning at Chappaquiddick, now more than 20 years ago, is still engraved in the collective memory of America.直至今日，二十几年前的查帕奎迪克溺亡事件仍然铭记在全体美国人心中。That tragic day has become part of our collective memory. 那个悲惨的日子已经成为我们所有人记忆的一部分。The incident became part of our collective memory.这一事件成为我们共同回忆的一部分。The drowning at Chappaquiddick is still engraved in the collective memory of America.查帕奎迪克溺亡事件仍然铭记在全体美国人心中。