perforations [pɜ:fə'reɪʃnz]

例句:

• When held to the light the small oblong leaves are seen to possess tiny perforations.
  迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。
  
• Tear off the form along the perforations and send it to Sales.
  沿着纸孔撕下表格，寄给销售部。
  
• Tear the sheet of stamps along the perforations.
  沿齿孔把邮票撕开。
  
• I'd give them a look before I tried to patch up an old tin roof and then mount panels on it with a bunch of new perforations.
  来自SA
• That the fruit seller was Muslim was made clear by his headgear, a white cap with perforations.
  来自WSJ
• Then the fluid would enter the rock formation via the perforations made earlier by the guns.
  来自NEWYORKER