bifocal
🇺🇸
/ˌbaɪˈfəʊkl/
🇬🇧
/ˌbaɪˈfəʊkl/
adjective
R
having two different focal points, especially in a lens for glasses
My grandmother uses bifocal glasses to read the newspaper and see the TV screen clearly.
我奶奶戴双光眼镜来阅读报纸和清楚地看电视屏幕。
translation
双焦点的