Word · Frequency #26951
cornea
角膜
the transparent, dome-shaped front part of the outer layer of the eye, covering the iris and pupil
- 1.
The transparent layer making up the outermost front part of the eye, covering the iris, pupil, and anterior chamber.
构成眼睛最前部外层的透明层,覆盖虹膜、瞳孔和前房。
- 2.
the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera
眼睛外层透明的圆顶状前部；覆盖虹膜和瞳孔并与巩膜相连
构成眼睛最前部外层的透明层,覆盖虹膜、瞳孔和前房。；眼睛外层透明的圆顶状前部；覆盖虹膜和瞳孔并与巩膜相连；角膜；[医] 角膜
In use
The cornea focuses light as it enters the eye.
The doctor examined her cornea for any scratches.
Contact lenses rest directly on the cornea.
the cornea [verb]
角膜是眼球前部的透明凸起组织，在句中常与定冠词 the 连用，主语为单数。
The cornea covers the iris and pupil.
角膜覆盖虹膜和瞳孔。
on the cornea
表示角膜表面的位置或病变时，介词通常用 on。
The doctor found a small scar on the cornea.
医生在角膜上发现了一个小疤痕。
Common mistakes
Cornea is the transparent front part of the eye.The cornea is the transparent front part of the eye.
Connections
Collocations
- cornea transplant
- 角膜移植
- He received a cornea transplant after the accident.事故后他接受了角膜移植。
- donate one's corneas
- 捐献角膜
- She decided to donate her corneas to help someone regain sight.她决定捐献角膜，帮助他人重见光明。
- scratch one's cornea
- 擦伤角膜
- He scratched his cornea while putting in his contact lenses.他在戴隐形眼镜时擦伤了角膜。
- damage to the cornea
- 角膜损伤
- Damage to the cornea can affect your vision.角膜损伤会影响视力。
- the curvature of the cornea
- 角膜曲率
- The curvature of the cornea determines how light enters the eye.角膜的曲率决定了光线如何进入眼睛。
Learner notes
Memory Tip
联想 cor- 像 core（核心），角膜是眼球核心前的透明膜，位于最前端。
Context & Register
语域：formal 常见场景：medical consultation、anatomy textbook、health science article 角膜是解剖学和医学中的标准术语，多用于医疗、科研或健康科普等正式或专业语境；日常口语中通常不会单独使用这个词。
Pronunciation & Spelling
Only California truly rhymes with cornea, sharing the final /ˈɔːrniə/ sound. Cornucopia also starts with 'corn-' but is pronounced /ˌkɔːrnəˈkoʊpiə/ and does not rhyme. The other listed words end in '-ea' or have a similar spelling, but their pronunciations differ.
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.