2 sentences for 再现 (zài​xiàn — reappear)

1. 那次事故的惊险场面经常在他的梦中再现。

   nà cì shì​gù de jīng​xiǎn chǎng​miàn jīng​cháng zài tā de mèng zhōng zài​xiàn.

   The thrilling scenes of that accident often recur in his dreams.

   Source: Dong Chinese Dictionary

2. 记忆表象是过去感知过的事物在头脑中的再现。

   jì​yì biǎo​xiàng shì guò​qù gǎn​zhī guo de shì​wù zài tóu​nǎo zhōng de zài​xiàn.

   A memory image is the reproduction in the mind of something perceived in the past.

   Source: Dong Chinese Dictionary