I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使耳膜穿孔。Cover the bowl with aluminum foil, and then use a fork to perforate the foil.用铝箔盖住碗，然后用餐叉在铝箔上扎孔。If an acutely inflamed appendix is not removed it may perforate.阑尾急性发炎，如果不切除，可能会致其穿孔。