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perforations is perforation's Plural Form

perforation

US [ˌpɜrfəˈreɪʃ(ə)n]
UK [ˌpɜː(r)fəˈreɪʃ(ə)n]
  • n.穿孔;打眼;孔眼;射孔
  • Web齿孔;射孔方案;冲孔
Plural Form:perforations  
n.
1.
穿孔;射孔
2.
穿孔术
3.
〔工〕钻孔,打眼;孔眼
4.
孔洞
5.
贯穿
6.
冲孔
7.
穿破
8.
初始喷发
9.
冰穴砾阜
10.
扎眼
1.
穿孔;射孔
2.
穿孔术
3.
〔工〕钻孔,打眼;孔眼
4.
孔洞
5.
贯穿
6.
冲孔
7.
穿破
8.
初始喷发
9.
冰穴砾阜
10.
扎眼

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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