noun🔗Share穿孔，打孔，刺孔 The act of perforating or the state of being perforated."The notebook paper had a line of perforation so the pages could be easily torn out. "这本笔记本的纸上有一行穿孔线，这样页面就可以很容易地撕下来。actionprocesstechnicalitemChat with AIVocabulary GamePractice Reading
noun🔗Share孔，穿孔，小孔。 Any opening in a solid object."The ticket had a clear perforation so you could easily tear off the stub. "票上有一条明显的虚线穿孔，方便你轻松撕下票根。partitemthingstructureChat with AIVocabulary GamePractice Reading
noun🔗Share穿孔，破裂。 An abnormal opening in an organ, such as a rupture."The doctor was concerned about a possible perforation in the patient's stomach lining after the surgery. "手术后，医生担心病人的胃壁可能出现了穿孔，也就是破裂。medicineorgananatomydiseasebodyChat with AIVocabulary GamePractice Reading
noun🔗Share孔眼，穿孔。 A series of holes punched through something in order to assist in separating parts."The paper towels tore easily along the perforation. "沿着虚线孔，纸巾很容易撕开。materialpartstructureChat with AIVocabulary GamePractice Reading
noun🔗Share孔眼，穿孔。 That portion of a surface that remains after an open disk is removed from it."The perforation left in the paper after punching a hole was slightly rough around the edges. "打孔后纸上留下的孔眼边缘有些粗糙。gapitempartstructureChat with AIVocabulary GamePractice Reading
