n.穿孔( perforation的名词复数 );贯穿;针孔;齿孔;
例句:
Heavy cloth drapes, after continued use, also must be inspected for perforations before they are sterilized.
传统的棉织大单, 反复使用后, 每次消毒前需仔细检查是否有破损.
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。
The rear perforations are visible on the cut edge.
后方齿孔都是看得见,对切缘.