bifocals

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。