名詞 flashback:

1. a transition (in literary or theatrical works or films) to an earlier event or scene that interrupts the normal chronological development of the story
2. an unexpected but vivid recurrence of a past experience (especially a recurrence of the effects of an hallucinogenic drug taken much earlier)

1. The event that leads up to the murder is shown in a series of flashback.
   釀成謀殺案的各個環(huán)節(jié)是通過一系列倒敘手法來表現(xiàn)的。
2. The events that led up to the murder were shown in a series of flashbacks.
   釀成謀殺案的各個環(huán)節(jié)是通過一系列倒敘手法來表現(xiàn)的。

flash.back

n.（名詞）

A literary or cinematic device in which an earlier event is inserted into the normal chronological order of a narrative.
倒敘，閃回鏡頭：一種文學或電影的表現(xiàn)手法，往往在一段按正常時間順序記敘的敘事中插入一件以前發(fā)生過的事情
The episode or scene depicted by means of this device.
以這種手法描寫的事件或場景
An unexpected recurrence of the effects of a hallucinogenic drug long after its original use.
藥效幻覺重現(xiàn)：致幻藥使用很長時間后藥效的意想不到的重現(xiàn)
Psychology A recurring, intensely vivid mental image of a past traumatic experience:
【心理學】 重現(xiàn)：過去受傷的經(jīng)歷在腦海中生動重現(xiàn)的影象：
例句：
.Another study shows that women who served in Vietnam still struggle with depression, anxiety, and painful flashbacks from the war.(New York Times)
.另外一項研究表明在越南服過役的婦女們?nèi)匀辉谙?、焦慮和戰(zhàn)爭的痛苦回憶中掙扎.(紐約時報)