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bifocals

英 [ba?'f??k?lz] 美[,ba?'foklz]
  • n. 遠(yuǎn)視近視兩用的眼鏡
TEM8

詞態(tài)變化

形容詞:?bifocal;

中文詞源

bifocals 雙光眼睛

前綴bi-, 二。詞根foc, 焦點(diǎn)，見(jiàn)focus.

英文詞源

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