他的钢笔漏墨了，在作业本上留下了一个墨渍。

His pen leaked and left a ___blot on the homework sheet.

她用纸巾吸干了桌上打翻的果汁。

She used a tissue to ___blot the spilled juice on the table.

那次不当行为可能会玷污他多年建立的良好声誉。

That misconduct could ___blot the good reputation he has built over the years.