V2EX night blindness

Night blindness

释义 Definition

夜盲(症):指在昏暗环境或夜间视力明显下降、看不清东西的情况。常见原因包括维生素A缺乏、视网膜(尤其是视杆细胞)功能异常,或某些眼部/全身性疾病;在口语中也可泛指“夜里看不清”。

例句 Examples

I have night blindness, so I avoid driving after dark.
我有夜盲(症),所以天黑后尽量不开车。

Night blindness can be an early sign of vitamin A deficiency or retinal disorders, so a medical checkup is important.
夜盲(症)可能是维生素A缺乏或视网膜疾病的早期信号,因此进行医学检查很重要。

发音 Pronunciation (IPA)

/nat blandns/

词源 Etymology

night(夜晚)+ blindness(失明;看不见的状态)构成的复合词,字面意思就是“夜间的看不见”。其中 blind 源自古英语 blind(失明的),**-ness** 是构成名词的后缀,表示“……的状态”。

相关词 Related Words

文学/著作中的用例 Literary / Notable Works

  • The Merck Manual of Diagnosis and Therapy(《默克诊疗手册》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • World Health Organization (WHO) reports on micronutrient deficiency(世界卫生组织有关微量营养素缺乏的报告,常涉及夜盲与维生素A缺乏)
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