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trifocals

/trahy-foh-kuhl, trahy-foh-/US // traɪˈfoʊ kəl, ˈtraɪˌfoʊ- //

三焦点眼镜,三眼皮眼镜,三眼皮,三面镜

Related Words

Definitions

adj.形容词 adjective
  1. 1
    • : Optics. having three foci.
    • : having three portions, one for near, one for intermediate, and one for far vision.
n.名词 noun
  1. 1
    • : trifocals, eyeglasses with trifocal lenses.

Synonyms & Antonyms