The doctor lanced the boil .

医生用柳叶刀切开疖子。

The doctor lanced the abscess .

医生用柳叶刀切开脓肿。

They lanced his flesh with knives .

他们用刀切开了他的肌肉。

He had lanced a dozen wounds .

他刺开了许多伤口。

The doctor lanced an abscess .

大夫用刺血针刺破了一个脓疮。