| 单词 | perforation |
| 释义 | perforation (once / 7987 pages) n WORD FAMILY perforation: perforations+/perforate: imperforate, perforated, perforately, perforates, perforating, perforation USAGE EXAMPLESGiven the size of the task, it must have been a little like checking for perforations in the walls of a cathedral. The Guardian(Nov 27, 2016) Risks of complications include bowel perforation during the procedure. US News(Sep 26, 2016) The study also noted that gastrointestintal complications from certain types of weight-loss surgery, such as infection and perforation of the intestine, could be a factor. US News(Sep 21, 2016) 1n a hole made in something a perforation of the eardrum Hyper hole an opening into or through something 2n a line of small holes for tearing at a particular place Hyper hole an opening deliberately made in or through something 3n the act of punching a hole (especially a row of holes as for ease of separation) Hyper puncture the act of puncturing or perforating |
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