To perforate something is to make a hole or holes through it — all the way through, not just a dent.

To perforate something perforate某樣東西 is to make a hole or holes through it就是把它穿出一個或多個洞——all the way through要整個穿透, not just a dent不只是壓出一個凹痕。

The word is used in three fairly separate places. In medicine it is the ordinary professional word: a bullet perforates the lung, an ulcer perforates the stomach wall, a doctor warns that too much pressure can perforate the eardrum. Doctors here say it in Chinese as 穿孔, and it is serious every time.

The word這個字 is used in three fairly separate places用在三個相當不同的地方。 In medicine在醫學上 it is the ordinary professional word它是常用的專業字: a bullet perforates the lung子彈可以perforate肺, an ulcer perforates the stomach wall潰瘍可以perforate胃壁, a doctor warns that醫生會警告 too much pressure can perforate the eardrum壓力太大可能perforate耳膜。 Doctors here在這裡的醫生 say it in Chinese as 穿孔中文說「穿孔」, and it is serious every time而且每次都是嚴重的事。

In manufacturing it means making a neat line of small holes on purpose so that paper can be torn straight — stamps, receipt books, the little tear-off strip on a form; that is where 'perforated' most often appears.

In manufacturing在製造業裡 it means指的是 making a neat line of small holes on purpose故意打出一整排整齊的小洞 so that paper can be torn straight讓紙可以撕得直——stamps像郵票, receipt books收據本, the little tear-off strip on a form表格上那條可撕下的小條; that is where 'perforated' most often appears'perforated'最常出現在這些地方。

In engineering it describes metal or board punched full of holes for air or sound, like the ceiling panels in a classroom.

In engineering在工程領域 it describes它形容的是 metal or board punched full of holes for air or sound打滿了洞用來通風或吸音的金屬或板材, like the ceiling panels in a classroom就像教室的天花板板材。

It is a slightly technical, written word: about the toilet paper at home you would say 'tear along the line', not 'perforate'. The related noun is 'perforation', which can mean either the hole itself or the line of holes.

It它 is a slightly technical, written word是個稍微專業、書面的字: about the toilet paper at home講家裡的衛生紙 you would say 'tear along the line'你會說'tear along the line', not 'perforate'而不是'perforate'。 The related noun相關的名詞 is 'perforation''perforation', which can mean either the hole itself可以指那個洞本身 or the line of holes或那一排洞。