per·for·ateBrE/ˈpɜːfəreɪt/NAmE/ˈpɜːrfəreɪt/verbpresent simple - I / you / we / theyperforateBrE/ˈpɜːfəreɪt/NAmE/ˈpɜːrfəreɪt/present simple - he / she / itperforatesBrE/ˈpɜːfəreɪts/NAmE/ˈpɜːrfəreɪts/past simpleperforatedBrE/ˈpɜːfəreɪtɪd/NAmE/ˈpɜːrfəreɪtɪd/past participleperforatedBrE/ˈpɜːfəreɪtɪd/NAmE/ˈpɜːrfəreɪtɪd/ -ing formperforatingBrE/ˈpɜːfəreɪtɪŋ/NAmE/ˈpɜːrfəreɪtɪŋ/~sthtomakeaholeorholesthroughsth打孔；穿孔；打眼◆Theexplosionperforatedhiseardrum. 爆炸震破了他的耳膜。◆aperforatedline(= arowofsmallholesinpaper, madesothatapartcanbetornoffeasily)齿孔线