| 释义 |
bi·focalsBrE /ˌbaɪˈfəʊklz/ NAmE /ˌbaɪˈfoʊklz/ noun [pl. ]a pair of glasses with each lensmade in two parts . The upper part is for looking at things at a distance , and the lower part is for looking at things that are close to you 双光眼镜（上半片为看远，下半片为看近） ➡ compare varifocals▸ bi·focalBrE /ˌbaɪˈfəʊkl/ NAmE /ˌbaɪˈfoʊkl/ adjective [only before noun ] |