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
That's a good idea.
那真是好主意。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？