| 释义 |
bifocalsbi·fo·cals /ˈbaɪˌfoʊklz / noun [plural] a pair of glasses with each piece of glass (each lens) made in two parts. The top part is for looking at things at a distance, and the bottom part is for reading or for looking at things close to you.双光眼镜（镜片上半部分用于看远处，下半部分用于看近处）▸ bi·fo·cal adjective |