scrutiny; digging into; excavation; inquiry into; enquiry into; prying
perforation; punching; boring; drilling
paracentesis; centesis; puncture; tap
trepanning; trepanation; trephining
drilling machine; boring machine; drill press; keypunch; card punching machine
thoracentesis; thoracocentesis; pleural tap
gastric perforation; perforation of the stomach
showing unyielding diligence in one's studies; (lit.) wearing a hole through one's metal inkstone from constant studying
constant dripping wears away the stone; little strokes fell great oaks; limited strength, when persistently applied, can accomplish great feats
punch position; punching position
venipuncture; venepuncture
Chinese pangolin (Manis pentadactyla)