amnesiac /æmˈniːzɪˌæk/

• 1. 

  ADJ Someone who is amnesiac has lost their memory. 丧失记忆的; 健忘的

  例：

  She was taken to a hospital, apparently amnesiac and shocked.

  她被送往一家医院，显然是因为受了惊吓失去了记忆。

• 2. 

  N-COUNT An amnesiac is someone who is amnesiac. 健忘症患者

  例：

  Even profound amnesiacs can usually recall how to perform daily activities.

  即使严重的健忘症患者通常也能记得如何从事日常活动。