an eye disease that involves the clouding or opacification of the natural lens of the eye
a large waterfall; violent rush of water over a precipice
造句
用作名詞(n.)
The way is blocked by the tall cataract. 高懸的大瀑布擋住了去路。
The sounding cataract haunted me like a passion. 轟鳴的瀑布聲縈繞于耳，如同滂湃的激情。
In a recess in the rocky cliffs behind the cataract is a cave. Lying hidden by the sheets of water cascading down, it is known as the Water Curtain Cave. 大瀑布后面巖壁上，凹處有一洞，洞口為瀑布所掩，故名“水簾洞”。
The good news from the battlefields is becoming a cataract. 戰場上傳來的好消息正在變成一道奔流。
He has developed a cataract. 他患上了白內障。
Cataract may result from long standing diabetes. 長期的糖尿病可能會引起白內障。