您好,欢迎访问优校网! 收藏本页 手机访问
今天是:

bifocals


  • 英式英标[,baɪ\'foklz]
  • 美式音标[baɪ\'fəʊkəlz]

n. 远视近视两用的眼镜

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.