cataract
cataract 英 [ˈkætərækt] 美 [ˈkætəˌrækt]
n. [眼科] 白内障；大瀑布；暴雨，洪水；奔流 vt. 倾注
名词复数:cataracts
- If someone has a cataract in their right eye, their lens is cloudy rather than clear, so they have difficulty seeing. Luckily, cataracts are easily removed.
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- n. [眼科] 白内障；大瀑布；暴雨，洪水；奔流
- vt. 倾注
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1. This strengthens sight in the eye with the cataract.
这样做能够增强白内障患眼的视力。
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2. Broccoli: Broccoli not only improves eyesight but also prevents eyes from cataract.
西兰花：西兰花不仅能提高视力，而且能预防白内障。
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3. Your surgeon then uses the probe, which transmits ultrasound waves, to break up (emulsify) the cataract and suction out the fragments.
然后，医生会用这个能传导超声波的探头来弄碎（乳化）白内障，并且将碎片吸出。
- cataract (n.) early 15c., "a waterfall, floodgate, furious rush of water," from Latin cataracta "waterfall," from Greek katarhaktes "waterfall, broken water; a kind of portcullis," noun use of an adjective compound meaning "swooping, down-rushing," from kata "down" (see cata-). The second element is traced either to arhattein "to strike hard" (in which case the compound is kat-arrhattein), or to rhattein "to dash, break."
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