解释
- n. 远视近视两用的眼镜
※ 提供单词"bifocals"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。
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.