音标：['kætәrækt]
n. 大瀑布, 奔流, 暴雨, 白内障
【医】 内障, 白内障

字博缘文学网在线英汉词典

cataract的短语、例句：

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.