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bifocals词源

发布于：2025-07-04 22:57浏览量：53文/优校网

英文词源

bifocals (n.): "bifocal spectacles," 1899, see bifocal. Conceived by Benjamin Franklin, but called by him double spectacles.

前缀bi-, 二。词根foc, 焦点，见focus.

该词的英语词源请访问趣词词源英文版：bifocals 词源，bifocals 含义。