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perforation [pə:fə'reiʃən]
基本释义
- n. 穿孔,贯穿,贯通
参考例句
- A perforation,as in a punched card or paper tape.
在穿孔卡片或纸带上穿孔的一种动作。 - An ornament inserted into a perforation in the lip.
唇饰穿在唇上的孔里的一种饰物
- A perforation,as in a punched card or paper tape.
英英解释
3个名词解释
- a line of small holes for tearing at a particular place
- a hole made in something
[例]- a perforation of the eardrum
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