Word · Frequency #19411
cataract
白内障
a medical condition in which the natural lens of the eye becomes cloudy, causing blurred vision
- 1.
A (large) waterfall, specifically one flowing over the edge of a cliff.
- 2.
A clouding of the lens in the eye leading to a decrease in vision.
- 3.
an eye disease that involves the clouding or opacification of the natural lens of the eye
眼睛疾病,涉及晶状体的混浊或不透明
- 4.
A flood of water; specifically, steep rapids in a river.
- 5.
a large waterfall; violent rush of water over a precipice
大瀑布；水流湍急的瀑布
- 6.
An overwhelming downpour or rush; a flood.
眼睛疾病,涉及晶状体的混浊或不透明；大瀑布；水流湍急的瀑布；大瀑布；奔流；暴雨
In use
My grandmother had a cataract removed from her left eye last year.
He wears glasses now because his cataracts make it hard for him to see clearly.
The doctor explained that a cataract can develop slowly over many years.
have/get/develop cataracts
cataracts 常用复数，泛指白内障这种病；若指单眼，可说 a cataract in one eye。
Many people develop cataracts as they age.
许多人上了年纪就会患上白内障。
cataract surgery
cataract surgery 是固定说法，指白内障手术。
She is recovering well after cataract surgery.
她白内障手术后恢复得很好。
a cataract of [noun]
此处 cataract 指暴雨或奔流，常带比喻色彩。
Connections
Collocations
- cataract surgery
- 白内障手术
- The doctor said she needs cataract surgery on her right eye.医生说她的右眼需要做白内障手术。
- age-related cataract
- 年龄相关性白内障
- Age-related cataracts are the most common type of cataract.年龄相关性白内障是最常见的白内障类型。
- congenital cataract
- 先天性白内障
- The infant was found to have a congenital cataract during a routine checkup.婴儿在常规检查中被发现有先天性白内障。
- develop cataracts
- 患上白内障；出现白内障
- Many people develop cataracts after the age of sixty.许多人在六十岁以后患上白内障。
- cataract extraction
- 白内障摘除术
- Cataract extraction is usually performed under local anesthesia.白内障摘除术通常在局部麻醉下进行。
Learner notes
Memory Tip
记忆：cataract 里藏着 cat（猫），想象猫眼蒙上白雾、浑浊不清，像瀑布冲刷——白内障。
Context & Register
语域：neutral 常见场景：ophthalmology clinic、health education materials、everyday vision discussions cataract 作“白内障”解时，属于中性偏正式的说法，多用于医患交流、健康科普和日常对话；在医学文书或专业讨论中则显得更正式。
Pronunciation & Spelling
没有常用词与 cataract (/ˈkætɝækt/) 完全押韵。下列 -act 结尾的词（如 tract、act、fact）与 cataract 的词尾 /rækt/ 发音相近，但重音在首音节，故不构成严格押韵。注意 cataract 的发音为 /ˈkætɝækt/，重音在第一个音节。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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.