bifocal /ˈbaɪˌfoʊkəl/ Brit /baɪˈfəʊkəl/ adjective /ˈbaɪˌfoʊkəl/ Brit /baɪˈfəʊkəl/
adjective
Learner's definition of BIFOCAL
of eyeglasses
: divided into two parts that help a person to see things that are nearby and things that are far away(眼镜)双焦的,双光的 — bifocals
/ˈbaɪˌfoʊkəlz/ Brit /baɪˈfəʊkəlz/ noun [plural]