
好词典

源自拉丁语 'cataracta'(瀑布/闸门),后经法语进入英语,既指瀑布也指眼疾(因视线模糊如同被水帘遮挡)。
❶ 指眼睛晶状体变得混浊的疾病,会导致视力模糊,常见于老年人。若不治疗可能致盲。
“My grandmother had surgery to remove her cataract.”
(我祖母做了手术摘除白内障。)
“Cataracts often develop slowly and can affect one or both eyes.”
(白内障通常发展缓慢,可能影响单眼或双眼。)
❶ 指大瀑布,尤其指水量巨大、落差高的瀑布,常见于地理描述。
“We heard the roar of the cataract from miles away.”
(我们在几英里外就听到了大瀑布的轰鸣。)
“The boat couldn't get too close to the powerful cataract.”
(船只无法靠近那气势磅礴的大瀑布。)
cataract surgery — 白内障手术,通过移除混浊的晶状体并植入人工晶体来恢复视力。
“Modern cataract surgery usually takes less than 30 minutes.”
(现代白内障手术通常耗时不到30分钟。)