bifocal
adjective /ˌbaɪˈfəʊkl/
  /ˌbaɪˈfəʊkl/
[only before noun]- bifocal glasses are made of an upper part, for looking at things at a distance, and a lower part, for looking at things that are close to you compare varifocal
 
| 单词 | bifocal | 
| 释义 | bifocaladjective /ˌbaɪˈfəʊkl/   /ˌbaɪˈfəʊkl/ [only before noun]
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