- n. 大瀑布；激流；白内障
名复: cataracts
cataract
KK:[ˈkætǝˌrækt] DJ:[ˈkætǝrækt]
以上来源于：《英汉大辞典》
/ˈkatərakt/
n.
- a large waterfall.
- a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision.
Etymology
ME: from L. cataracta ‘waterfall, floodgate’, also ‘portcullis’, from Gk kataraktēs ‘down-rushing’.
以上来源于：《简明牛津英语词典》
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