首页英语词典bifocalsbifocals的意思

bifocals怎么读？

bifocals

英 [baɪ'fəʊkəlz] 美[,baɪ'foklz]
  • n. 远视近视两用的眼镜
TEM8

词态变化

形容词: bifocal;

中文词源

bifocals 双光眼睛

前缀bi-, 二。词根foc, 焦点，见focus.

英文词源

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