Cataract
[ 'kætərækt ]
第4级
其它 Other
n. 大瀑布，急瀑布;[医]白内障;暴雨，洪水;奔流;
v. 像瀑布似地注流;
💡 词根助记
cata向下+ract冲→向下冲→大瀑布
📝 例句
He is an elderly gentleman who had had a cataract operation.
他是一位曾经动过白内障手术的老人.
🌱 联想助记
【记】cata-前缀“下”,act-动作:向下的动作→大瀑布
✅ 同义词
📖 牛津释义
cataract
n
1 large steep waterfall （大而陡的）瀑布.
2 (medical 医)
(a) disease in which the lens of the eye becomes cloudy, causing partial or total blindness 白内障.
(b) area clouded in this way 白内障的晶状体
an operation to remove cataracts 白内障（晶状体）摘除手术.
🔁 扩展释义
*['kætәrækt]n. 大瀑布, 奔流, 暴雨, 白内障【医】 内障, 白内障
🏥 医学释义
内障，白内障
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
Li Lei went into the school and found Miss Zhao in the school library.
李垒走进学校，在学校图书馆里找到赵小姐。
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。
What will be the population of these countries in the year 2000?
2000年不太发达国家的人口将是多少？