她努力回忆那次重要谈话的细节。

She tried hard to ___recollect the details of that important conversation.

随着年龄增长，他几乎回忆不起童年的冒险了。

As he grew older, he could barely ___recollect his childhood adventures.

我清楚地记得曾建议你备份文件。

I distinctly ___recollect advising you to back up your files.