flashback
/ˈflæʃbæk/noun
1
- a scene in a film, novel, etc. set in a time earlier than the main story（电影、小说等的）倒叙：
in a series of flashbacks, we follow the pair through their teenage years
在一系列的倒叙中, 我们跟随这对情侣穿越了他们的少年时光
mass noun the movie tells the story in flashback.电影以倒叙的手法讲述了这个故事。
1.1
- a disturbing sudden vivid memory of an event in the past, typically as the result of psychological trauma or taking LSD（尤指由于心理伤害或服用麦角酸二乙基酰胺而导致的）瞬间痛苦回忆。
2
- a flame moving rapidly back through a combustible vapour逆燃, 回火：
cooling the area prevented a flashback.
冷却该区域防止了逆燃。