a medical condition that affects the lens of the eye so that you gradually lose your sight 白内障 A cataract can be removed under local anaesthetic. 白内障可以在局部麻醉情况下摘除。
Oxford Collocations Dictionaryverb + cataract- have
- develop
- remove
- …
- operation
- surgery
- removal
- …
- (literary)
a large, steep waterfall 大瀑布
Word Originlate Middle English: from Latin cataracta ‘waterfall, floodgate’, also ‘portcullis’ (medical sense (1) probably being a figurative use of this), from Greek kataraktēs ‘down-rushing’, from katarassein, from kata- ‘down’ + arassein ‘strike, smash’.