有人在公园的雕像上涂鸦，这种行为属于故意破坏公共财产。

The graffiti on the park's statue was an act of ___defacement that damaged public property.

涂鸦者破坏了公告栏，用喷漆掩盖了所有重要信息。

The vandals committed ___defacement on the noticeboard by spray-painting over all the important information.