thin flim memory

例句：

1. 1. Shewas so focused on her work that sheforgot to eat lunch.
   她太专注于工作了，以至于忘了吃午饭。
2. 2. The oldman had a thin memory for his granddaughter's birthday.
   这位老人对孙女的生日记得很模糊。
3. 3. He hasa thin recollection of the events thattook place during the war.
   他对战争期间发生的事件记忆模糊。