Question

perforation n.穿孔;贯穿;针孔;齿孔; pl:perforations~

Accepted Answer

英[ˌpɜ:fəˈreɪʃn]  美[ˌpɜrfəˈreɪʃn] N-COUNT小孔；小洞；（尤指）纸孔Perforations are small holes that are made  in something, especially in paper.例：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。例：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。

单词	perforation
音标	英[ˌpɜ:fəˈreɪʃn] 美[ˌpɜrfəˈreɪʃn]
解释	n.穿孔;贯穿;针孔;齿孔;
例句	N-COUNT 小孔；小洞；（尤指）纸孔 Perforations are small holes that are made in something, especially in paper. 例：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。例：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。
变形	pl:perforations~

Perforations Small 英[ˌpɜ:Fəˈreɪʃn 美[ˌpɜrfəˈreɪʃn N.穿孔;贯穿;针孔;齿孔 N Count 小孔；小洞；（尤指）纸孔 Holes