perforation

名詞

1. 1

   撕線、齒孔、虛線孔

   Tear along the perforation to remove the coupon from the page.

   沿著撕線撕開，就能把折價券從那一頁取下。

2. 2

   小孔、孔洞

   The lid has tiny perforations to let the steam escape.

   蓋子上有細小的孔洞，可以讓蒸氣散出。

3. 3

   穿孔、破裂醫學

   The scan revealed a perforation in the wall of the stomach.

   掃描顯示胃壁有一處穿孔。

4. 4

   打孔、穿孔

   Perforation of the sheets is done by machine before packaging.

   這些紙張在包裝前會先由機器打孔。