cataract
美音:[´kætərækts
]
英音:[´kætərækts
]
n.大瀑布,奔流,白内障
难易程度:
cataract为短语/超纲词汇
词根
cata-=down,downwards,fully 变化型 cat-
近义词, 同义词
cataract
/'kætərækt; `kætə,rækt/
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.
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.
cataract
n[C]
[Date: 1400-1500; Language: Latin;Origin: cataracta 'waterfall, castle gate that drops from above', from Greek, from katarassein 'to strike down', from kata- ( CATACLYSM) + arassein 'to strike';]
[Sense: 1; Origin: because a cataract blocks sight like a gate coming down]
a medical condition that causes the lens of your eye to become white, so that you slowly lose your sight
literary a large waterfall
[Date: 1400-1500; Language: Latin;Origin: cataracta 'waterfall, castle gate that drops from above', from Greek, from katarassein 'to strike down', from kata- ( CATACLYSM) + arassein 'to strike';]
[Sense: 1; Origin: because a cataract blocks sight like a gate coming down]
a medical condition that causes the lens of your eye to become white, so that you slowly lose your sight
literary a large waterfall
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