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bifocals

/baɪˈfəʊ.kəlz/

翻译: 一种眼镜,具有两种不同的屈光力:一种用于看远处物体,另一种用于看近处物体。

1 个条目

noun

/baɪˈfəʊ.kəlz/C1formalmedical
  • zh一种眼镜,具有两种不同的屈光力:一种用于看远处物体,另一种用于看近处物体。

A noun referring to eyeglasses that have two distinct optical powers, one for seeing objects at a distance and the other for seeing objects up close.

不规则复数

  1. Eyeglasses with two focal lengthsB2formal

    Spectacles that have lenses with two distinct optical powers, one for seeing distant objects and the other for reading or close work.

    zh双焦点眼镜

    • My grandfather wears bifocals to read the newspaper and watch television.
    • The optician recommended bifocals for her presbyopia.
    • He switched from reading glasses to bifocals for convenience.
词形
  • bifocals plural form
  • bifocals' possessive plural form
  • bifocals' possessive singular form