Word · Frequency #25217
perforations
孔；穿孔
perforations is the plural of perforation.
核心释义
a hole made in something
- 1.
穿孔；被穿孔的状态。
The act of perforating or the state of being perforated.
- 2.
穿孔；孔洞；开口。
Any opening in a solid object.
- 3.
器官上的异常开口,如破裂。
An abnormal opening in an organ, such as a rupture.
- 4.
为便于分离而打的一系列孔。
A series of holes punched through something in order to assist in separating parts.
- 5.
曲面上移除一个开圆盘后剩余的部分。
That portion of a surface that remains after an open disk is removed from it.
孔眼线；易撕线；打孔；穿孔；穿孔；被穿孔的状态。；穿孔；孔洞；开口。；器官上的异常开口,如破裂。
用法In use
The perforation near the top of the box lets you open it without scissors.
用法提示：此处 perforation 是名词，表示盒子上的一排易撕小孔。
She tore along the perforations to separate the two pages in her notebook.
用法提示：此处 perforations 是名词复数，指一条条易撕孔线。
Please fold the paper along the perforation before you tear off the coupon.
用法提示：此处 perforation 是名词单数，表示纸上预先压好、便于撕开的孔线。
tear along the perforation
perforation 此处指一排小孔形成的易撕线，常用单数。
Tear along the perforation to open the package.
沿着易撕线撕开，就能打开包装。
a perforation in [sth]
在医学语境中，perforation 指器官壁上的孔洞，为可数名词。
相关词与表达Connections
搭配Collocations
- bowel perforation
- 肠穿孔
- Bowel perforation requires immediate surgery.肠穿孔需要立即手术。
- perforation of the eardrum
- 鼓膜穿孔
- A perforation of the eardrum can cause hearing loss.鼓膜穿孔可能导致听力丧失。
- perforation line
- 孔眼线；易撕线
- The ticket separates neatly along the perforation line.票沿易撕线整齐撕开。
- make a perforation
- 打一个孔
- The machine makes a perforation in each sheet of paper.机器在每张纸上打一个孔。
- tiny perforations
学习提示Learner notes
记忆技巧Memory Tip
把 perforation 拆成 per + for + ation：为了(for)方便撕开，预先打出一排小孔。
语境与语域Context & Register
语域：mixed 常见场景：医学报告、产品规格说明、票券或纸张 perforation 的语体会随语境变化：在医学报告等多用于正式书面语，指器官或组织的穿孔；在票券、纸张或产品说明中则较中性，常指易撕线或孔眼。整体上以正式场合比较常见。
发音与拼写Pronunciation & Spelling
These words all rhyme with 'perforation' because they share the stressed vowel /eɪ/ and the final /ʃən/ in the '-ation' suffix. Be careful not to confuse 'perforation' with 'profession' /prəˈfeʃən/ or 'perfection' /pərˈfekʃən/, which look similar but sound different.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.