详细解释:最后审判日, 世界末日
英语解释：
名词 last day:
(New Testament) day of the Last Judgment when God will decree the fates of all men according to the good and evil of their earthly lives同义词：Judgment Day, Judgement Day, Day of Judgment, Day of Judgement, Doomsday, Last Judgment, Last Judgement, day of reckoning, doomsday, crack of doom, end of the world