柯林斯詞典bifocals /ba??f??k?lz/ 1. N-PLURAL Bifocals are glasses with lenses made in two halves. The top part is for looking at things some distance away, and the bottom part is for reading and looking at things that are close. 雙光眼鏡 Mrs. Bierce wears thick bifocal lenses. 比爾斯夫人戴著一副厚厚的雙光眼鏡。 返回 bifocals劍橋詞典glasses with lenses that are divided into two parts . The upper half is for looking at things far away and the lower half is for reading or for looking at things that are near. 遠視近視兩用的（雙光眼鏡） 返回 bifocals