varifocal
adjective /ˈveərɪfəʊkl/
/ˈverɪfəʊkl/
[only before noun]- varifocal glasses have lenses which vary in how thick they are from the upper part to the lower part. 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.
渐进多焦镜(镜片由上至下用于看远、近距离的东西) - varifocal lenses
变焦距的...
- varifocal lenses