perforation
柯林斯词典
1. N-COUNT Perforations are small holes that are made in something, especially in paper. 小孔[usu pl]
Tear off the form along the perforations and send it to Sales. 沿著打的孔撕下表格，寄給銷售部。
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perforation /ˌpɜːfəˈreɪʃən/ (perforations)
剑桥词典
- [ 可數名詞：有複數形式的名詞 ]
a hole in something
孔
A tea bag is full of tiny perforations. 茶包上滿是小孔。
[ 可數名詞：有複數形式的名詞 or 不可數或單數名詞：沒有複數形式的名詞 ] medical specialized
a hole that goes all the way through a membrane or tissue or the act of making a hole like this
穿透膜（或組織的）孔；在膜（或組織）上穿的孔
One possible complication of colonoscopy is a perforation through the bowel wall that could require surgery . 結腸鏡檢查的一個可能的竝發症是大腸穿孔，必須靠手術解決。 返回 perforation