Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔。
The insufficiency of perforating veins is the main cause resulting in the recurrence of varicose veins after varicotomy in lower extremities. 交通静脉功能不全是导致下肢静脉曲张术后复发的主要原因。
Objective To investigate the changes of blood-ocular barrier and effect of ligustrazine on the ocular endosmosis of intravenous ciprofloxacin in rabbit eyes of corneal perforating injury. 目的研究兔角膜穿孔伤后血-眼屏障的改变及川芎嗪对环丙沙星在兔眼角膜穿孔伤眼内渗透性的影响。
Don't...don't try and talk. Your windpipe was perforated.
别… 别说话。你的气管上开了一个孔。
实习医生格蕾 第2季
Nadia Shelton's ulcer perforated. She's vomiting blood by the pint.
Nadia Shelton 的溃疡穿孔了,她在大量呕血。
NPR音讯 2019年1月合集
According to authorities, around 5 p.m. Friday evening, someone illegally perforated the pipeline in Hidalgo.
据有关部门表示,周五晚上5点左右,一些不法分子在希达尔戈州的输油管道上穿孔。
现代大学英语精读(第2版)第四册
That is why India and China are now perforated with millions of irrigation wells, each drawing on the common resource.
这就是为什么在印度和中国的大地上,布满了数百万个灌溉井,每口井都在抽取人类共用的水资源。
透视百科综合类
We're starting by drilling it, and we perforate every single hole to thread fiber-optic through every single hole.
我们要先钻眼,在每个眼上打孔,然后光纤穿过这些孔。
极简英国史
Well, you can see that it has been perforated.
嗯,你可以看到它已经被穿孔了。
影视剧中的医学知识
Alright, your appendix is nearly perforated.
- 好吧,你的阑尾快要穿孔了。
扎克的医学生日常
" How do I put an otoscope in someone's ear " without perforating their eardrum?
“如何在不刺穿耳膜的情况下将耳镜放入某人的耳朵?
99%不为人知的故事
It had to be perforated also for wind permeability.
为了防风,它还必须打孔。
英语百科
Perforation
(重定向自Perforating)
A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized fashion, where all of the holes are called a perforation. The process of creating perforations is called perforating, which involves puncturing the workpiece with a tool.