| 释义 |
bi·focalsBrE /ˌbaɪˈfəʊklz/NAmE /ˌbaɪˈfoʊklz/ noun [pl.] a pair of glasses with each lens made 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·focal BrE /ˌbaɪˈfəʊkl/NAmE /ˌbaɪˈfoʊkl/ adjective [only before noun] |