chuān​kǒng

perforate

穿孔 chuān​kǒng
perforate verb
to punch a hole or create a series of holes in a material

This machine can automatically punch holes in the paper tape.

perforation noun
a hole that develops through the wall of a body organ as a medical condition

The doctor diagnosed him with a perforated stomach.

Frequency

Movie subtitles
1.16 per million appears in 1% of films
Written text
3.43 per million

Sources

Definitions
CC-CEDICT