V2EX bifocal

Bifocal

释义 Definition

双光的;双焦点的(尤指眼镜镜片:上半部用于看远、下半部用于看近的双光镜/双焦镜片)。也可作名词,指双光眼镜/双光镜片

发音 Pronunciation

/bafokl/

例句 Examples

I just got bifocal glasses to help me read and drive.
我刚配了双光眼镜,方便我看书和开车。

As she grew older, she found that bifocal lenses reduced eye strain by letting her switch smoothly between close work and distant signs.
随着年纪增长,她发现双光镜片能减轻用眼疲劳,让她在近距离工作与远处路牌之间更顺畅地切换视线。

词源 Etymology

来自 **bi-**(“两、双”)+ focal(“焦点的”)。字面意思是“有两个焦点的”,用于描述镜片具有两种不同的焦距,以满足远近视力需求。

相关词 Related Words

文学作品 Literary Works

  • 《The Adventures of Augie March》(索尔贝娄 Saul Bellow):作品中有对人物外貌与社会身份的描写,常出现如“bifocals”等日常物件词汇。
  • 《Rabbit, Run》(约翰厄普代克 John Updike):以细腻的现实主义描写见长,文本中可见“bifocals”这类生活细节用语。
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