perforations

perforations读音音标

英 [pɜ:fə\'reɪʃnz]

美 [pɜfə\'reɪʃnz]

perforations意思解释

n.

穿孔( perforation的名词复数 )；

贯穿；

针孔；

齿孔

英英释义

n.

a line of small holes for tearing at a particular place

a hole made in something

\"a perforation of the eardrum\"

the act of punching a hole (especially a row of holes as for ease of separation)

词组短语

perforation plate

双语例句

Tear the sheet of stamps along the perforations.沿齿孔把邮票撕开。Grooves extend to the finished edge, but rear perforations are not visible.凹槽延伸到成品的优势，但后排齿孔中不可见。