perforation of Shrapnell's membrane

例句：

1. 1.The surgeon performed a delicate perforationof the skin to remove the tumor.
   外科医生进行了一次精细的穿刺，以去除肿瘤。
2. 2. The puncture was madewith a needle and the patient'sblood was drawn.
   用针头进行了穿刺，并抽取了患者的血液。
3. 3. The perforation in the wall allowed air toescape, causing the room to become damp.
   墙壁上的穿孔让空气逸出，使房间变得潮湿。