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BNC: 25217 COCA: 18752
perforation
pɜːʳfərʃən ˌpɜrfəˈreɪʃən
Word forms: plural perforations
N-COUNT [usually plural] 小孔;小洞;(尤指)纸孔 Perforations are small holes that are made in something, especially in paper. 小孔;小洞;(尤指)纸孔
  • 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。

  • 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。

Trends of perforation
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BNC: 25217 COCA: 18752
BNC: 25217 COCA: 18752
BNC: 25217 COCA: 18752
perforation
Holes and openings in surfaces: abyss, aperture, blowhole...
Injuries and wounds: injury, loss, wound...
Causes, symptoms and the course of illnesses: aetiology, complication, crisis...

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