Word · Frequency #19411
cataract
白内障
核心释义
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.
眼睛疾病,涉及晶状体的混浊或不透明
an eye disease that involves the clouding or opacification of the natural lens of the eye
- 4.
A flood of water; specifically, steep rapids in a river.
- 5.
大瀑布；水流湍急的瀑布
a large waterfall; violent rush of water over a precipice
- 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
用法In use
My grandmother had a cataract removed from her left eye last year.
用法提示：此处 cataract 是可数名词，指眼睛晶状体混浊的白内障。
He wears glasses now because his cataracts make it hard for him to see clearly.
用法提示：cataracts 为复数形式，表示多只眼睛或整体白内障状况。
The doctor explained that a cataract can develop slowly over many years.
用法提示：cataract 前用 a，表示单个白内障病症。
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。
相关词与表达Connections
搭配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
学习提示Learner notes
记忆技巧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。
语境与语域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。
发音与拼写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。
用法优先级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。
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.