This is the 2572nd most frequent Korean word.
보고를
"보고를" means "a report" (in the accusative case).
The word '보고를' functions as a direct object in this sentence, representing the daily report that is submitted.
그는 상사에게 일일 보고를 제출했다.
He submitted the daily report to his superior.
Here, '보고를' is used as the direct object of the verb '읽어봤다,' indicating the report that is read.
나는 그 사건에 대한 보고를 읽어봤다.
I read the report regarding that incident.
In this context, '보고를' acts as the object of '발표했다,' referring to the new report being presented.