amnesia
n. 健忘症；记忆缺失
形容词：amnestic 名词：amnesiac
近义词：memoryloss，lossofmemory，forgetfulness，oblivion，blankness，blackout，
英英释义
Noun
- partial or total loss of memory;
"he has a total blackout for events of the evening"
例句
用作名词(n.)
- A bump on the head caused her amnesia.她因头部撞了一下而得了健忘症。
- Past-hypnotic amnesia frequently occurs.经常会发生催眠术后的健忘症。