pustule on foot

例句：

1. 1. The doctor found a small pustule on his finger.
   医生在他的手指上发现了一个小疣。
2. 2. The patient had a pustule on her arm that was causing itching.
   病人的手臂上有一颗小疣，导致瘙痒。
3. 3. The veterinarian removed the pustule from the dog's ear.
   兽医从狗的耳朵里取出了小疣。