verruca

例句：

1. 1.He had a small verruca on his foot that he was trying to remove.
   他的脚上有一个小疣，他正试图去除它。
2. 2. The doctor advised him to keep the area clean and dry to prevent further growth of verruca.
   医生建议他保持该区域清洁干燥，以防止疣进一步生长。
3. 3. Verruca can be painful and cause discomfort during the healing process.
   疣在愈合过程中可能会很痛并引起不适。