Това са думите definitions, свързани с bifocals. Щракнете върху която и да е дума, за да отидете на страницата с подробности за думата. Или, отидете на дефиницията на bifocals.
0 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.
1 glasses with an upper part for looking at things far away and a lower part for reading or looking at things that are near