memory/ 'mεmərɪ /

1.noun [c/u] 
(ability to remember) 记忆力

2.noun [c] 
(thing remembered) 记忆

3.noun [c] [+of dead person] 
追忆

4.noun [c/u] [Computer Science] 
存储器

to have a good/bad memory (for sth)
(对某事)记忆力好/差
to lose one's memory
丧失记忆
loss of memory {or} memory loss
失忆
to do sth from memory
凭记忆做某事
in memory of
以纪念